Annals of the South African Museum, Volume 41The Museum, 1952 - Natural history |
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Page 25
... wide ; peduncle short ; foramen wide and incomplete , margins more or less eroded or defective ; wide flattened area of irregular shape on each side of foramen . Surface of valves with coarse , rounded costae , strongest mesially , with ...
... wide ; peduncle short ; foramen wide and incomplete , margins more or less eroded or defective ; wide flattened area of irregular shape on each side of foramen . Surface of valves with coarse , rounded costae , strongest mesially , with ...
Page 245
... wide . b . Caudal rami about as broad as long . engraulidis tetrodontis C. elongatus Heegaard ( 1943 , Ark . Zool . , xxxiv , 4 , A. 18 , p . 11 , figs . 21-31 ) was described from specimens from a ' Cape - line ship ' , but not ...
... wide . b . Caudal rami about as broad as long . engraulidis tetrodontis C. elongatus Heegaard ( 1943 , Ark . Zool . , xxxiv , 4 , A. 18 , p . 11 , figs . 21-31 ) was described from specimens from a ' Cape - line ship ' , but not ...
Page 246
... wide , somewhat wider posteriorly ( deeply lobed : Steenstrup & Lütken ; not so deeply : Brian's and Yamaguti's figures ) . Abdomen about as long as genital segment , 4 - segmented ( junctions somewhat obscure : Brian's figures ) , 1st ...
... wide , somewhat wider posteriorly ( deeply lobed : Steenstrup & Lütken ; not so deeply : Brian's and Yamaguti's figures ) . Abdomen about as long as genital segment , 4 - segmented ( junctions somewhat obscure : Brian's figures ) , 1st ...