Annals of the South African Museum, Volume 51South African Museum, 1968 - Natural history |
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Page 13
... head region , and recently the problem of head segmentation in the Arthropoda has been reviewed in articles by Butt ( 1960 ) and Manton ( 1960 ) . The former author has attempted to identify four head segments , while Manton has ...
... head region , and recently the problem of head segmentation in the Arthropoda has been reviewed in articles by Butt ( 1960 ) and Manton ( 1960 ) . The former author has attempted to identify four head segments , while Manton has ...
Page 20
... head is a broad smooth plate , the epistoma ( figs 2 , 3 , 4 , 17 , 18 , 31 ) , the lateral margins of which are fused with the head exoskeleton . The antennae are joined ventrally to the anterior border of the epistoma and articulate ...
... head is a broad smooth plate , the epistoma ( figs 2 , 3 , 4 , 17 , 18 , 31 ) , the lateral margins of which are fused with the head exoskeleton . The antennae are joined ventrally to the anterior border of the epistoma and articulate ...
Page 47
... head . There can be little doubt that the latter is also present in Jasus , but no particular study was made of stretch receptors and their associated muscles . The antero - ventral head does not seem to be differen- tiated in J ...
... head . There can be little doubt that the latter is also present in Jasus , but no particular study was made of stretch receptors and their associated muscles . The antero - ventral head does not seem to be differen- tiated in J ...
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Common terms and phrases
abdominal artery abdominal segment adductor muscle antennal antennal gland antennulary antennule antero-lateral apodeme appendages arises arthrodial arthrodial membrane Astacus attached attractor basipodite biol blood branch branchiostegite bundles carapace cardiac fore-gut cephalic cephalothorax coxopodite Crustacea dactylopodite decapod depressor digestive gland distal dorsal dorso-lateral ecdysis end sac endite endopleurite endopodite endosternite epimeral epimeron epipodite epistoma exopodite exopoditis exoskeleton extensor eyestalk female fibres flagellum flexor fore-gut frontal ganglia ganglion gastric gills Homarus inner inserted Jasus labyrinth lalandii lateral levator lobe lobster mandible mandibular maxilla maxilliped medial meropodite moulting muscle chamber oblique muscle oesophageal ophthalmic artery optic optic cup ossicle outer pair Palinurus Pandalus Panulirus paraphragms peduncle pereiopods pigment pleopods posterior postero-lateral productor promotor protopodite proximal margin puerulus stage reductor region remotor muscle Reptantia rhabdomes sclerite second maxilla setae sinus gland species spermatophoric statocyst sternal sternum telson tendon tergum third maxillipeds thoracic segments thoraco-abdominal transverse muscle uropod valve ventral muscles ventro-laterally wall X-organ