Annals of the South African Museum, Volume 17The Museum, 1920 - Natural history |
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Page 324
... setose . Seventh peraeopod short , 3 - jointed , 2nd longer than 1st , 3rd very short , unarmed ; absent altogether in the smaller ( 2.5 mm . ) specimen . Uropod , only one ramus present , probably the outer , 4 - jointed . Length : 5 ...
... setose . Seventh peraeopod short , 3 - jointed , 2nd longer than 1st , 3rd very short , unarmed ; absent altogether in the smaller ( 2.5 mm . ) specimen . Uropod , only one ramus present , probably the outer , 4 - jointed . Length : 5 ...
Page 326
... setose 2nd joint inserted on outer apex , outer margin denticulate . Mandible , cutting - edge 4 - dentate , secondary cutting - edge tridentate , spine - row with ca. 5 bifid spines arising from a projecting process , molar well ...
... setose 2nd joint inserted on outer apex , outer margin denticulate . Mandible , cutting - edge 4 - dentate , secondary cutting - edge tridentate , spine - row with ca. 5 bifid spines arising from a projecting process , molar well ...
Page 327
... setose , 7th length of 6th , curved , a seta in place of the secondary unguis . Peraeopods 5 and 6 similar to the preceding , 4th joint with 3 spine- teeth on lower apex , 5th with 2 rows of 4 and 5 spine - teeth on lower margin , 6th ...
... setose , 7th length of 6th , curved , a seta in place of the secondary unguis . Peraeopods 5 and 6 similar to the preceding , 4th joint with 3 spine- teeth on lower apex , 5th with 2 rows of 4 and 5 spine - teeth on lower margin , 6th ...
Page 330
... setose , 7th length of 6th , unguis shorter than joint , curved . Pleopods developed well in both sexes , rami subequal and furnished with long plumose setæ . Uropod short , peduncle as long as broad , inner ramus twice length of ...
... setose , 7th length of 6th , unguis shorter than joint , curved . Pleopods developed well in both sexes , rami subequal and furnished with long plumose setæ . Uropod short , peduncle as long as broad , inner ramus twice length of ...
Page 333
... setose , 2nd joint oval , tipped with setae ; in apparently only 2 - jointed but with a nick in 1st joint indicating the fusion of 2 joints . Peraeopods 2 and 3 , 2nd joint sparsely tuberculate on upper anterior margin , 3rd scabrous ...
... setose , 2nd joint oval , tipped with setae ; in apparently only 2 - jointed but with a nick in 1st joint indicating the fusion of 2 joints . Peraeopods 2 and 3 , 2nd joint sparsely tuberculate on upper anterior margin , 3rd scabrous ...
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Common terms and phrases
1st joint 1st leg 2nd joint 3-jointed 3rd joint 5th joint abdomen acute Allothele Antenna anteriorly antero-lateral angles apically Arcturella breadth bristles broader than long Cape Point carapace cephalic portion Chelicera Colour convex coxae Crust Cymodoce dark denticles diameter distal margin distant distinct dorsal surface Dresserus fathoms flagellum genus groove hairs head Hersiliola infuscated inner margin inner ramus keel lateral length little longer lobes longer than broad Maxilliped metatarsus metatarsus and tarsus narrow ocular outer margin outer ramus ovate ovigerous pairs palp patella pedipalps peduncle peraeon segment peraeopods pleon segment Pleopod plumose setae posterior margin posterior median posteriorly R. W. Tucker rami Rhaeboctesis rounded S.A. Mus s.s. Pieter Faure Sars segments 1-4 setose short shorter Side-plates slender slightly species specimens spines spinners spinules Stebb Stebbing sternum stout stylet subacute subequal tapering telson testaceous Thelechoris tibia tooth transverse tubercles U.S. Nat Uropod Vulva width
Popular passages
Page 380 - But within the tribe the two main families are sharply divided by the fact that the processes are separate in the Idoteidae * and united into a single process in the Astacillidae.