| 12 JULES DE Gl ERNE ET JULES RICHARD 



Baillantes el arrondies s'étendenl Longitudinalement à la surface du 

 corps, laissanl entre elles une profonde dépression. 

 Longueur I ligne (2 """ ï.\) ». 



Diaptomus pollux, uxorius, Maria, Cooki King, 1855. 



Nous reproduisons ci-après toul ce qui concerne la famille des 

 Diaptomidoe dans le travail de King (13) p. 74. 



« Fam. [I. — DlAI'TOMIDiE 



* Nearly transparent ; maie larger than female. 

 Genus Diaptomus. 



1. h. pollux, — Maie spindle-shaped. Localily : Parrainait», 



Sydney, etc. 

 ±. D. uxorius. — Maie clavate. Locality : Fort Stephens. 

 * A deep reedcolour, maie smaller than female. 



3. I>. Maria. — Last thoracic ring, in female, with professes 

 shorter than the abdomen. Locality : Denham Court. 



4. C. cookii. — Last thoracic ring with processes longer than the 

 abdomen. » 



Diaptomus similis Baird, 1859. 



1859 D. similis (14) p. 283, PL VI, flg. 3. 



In the gênerai form of the body, the number of articulations, etc., il 

 agrées with D. castor. The head, however. is curved downwards into 

 a short curved beak. The antennœ are fwnished on the upper edge with 

 short setœ at each joints ; but thèse setœ are set a right angles with the 

 joint, and are nearly alternately short and Ion//, the longer one being 

 nearly doublethe length ofthe shorter om-s. The third pair of fow-jaws 

 htirc the same number of articulations as those of D. castor, but the 

 setœ at the terminating joints are much shorter andslightly uni lente. 

 The fij'ili pair of j'eet in the maie hâve the last articulation of the 

 right branch terminated by a long and strong hook, which is much 

 longer than that of D. castor. The swollen hing-pomt of the right 

 antenna ofthe maie, when under the lens, is fuirly striated. 



llah., Pool of Gihon, Jérusalem, British muséum. 



Le passage reproduit ici in-extenso est tout ce qui regarde cette 

 espèce ; la ligure citée est des plus médiocres, elle ne permet pas, 

 plus que le texte, de reconnaître le Copépode dont il s'agit. 



