730 Mil. W. E. LAN'CHKSTER ON CRUSTACEANS [June 19, 



In addition, the right arm of the other male has a small tubercle 

 on the middle of the posterior margin. 



I have, however, two larger individuals, both females, whose 

 presence in the collection I had at first overlooked, in which the 

 tubercles of the carapace and the anterolateral teeth are very 

 strongly developed : the two anterior tubercles being quite tooth- 

 like, and as big as the penultimate lateral teeth. It may be, then, 

 that the species is a good one, although I am still inclined to 

 suspect that the differences are only varietal. 



The larger of these females bears ova, and was taken off another 

 specimen of A. multimdiata. 



Dim. $6x5-5. 510-5x8-5. 2 8-5x6-5. 



XV. Genus Atergatis de Haan. 



25. Atergatis integerrimus Lamarck. 



Cancer integerrimus, Lam. Hist, des Anim. sans Yert. t 

 p. 272 (1818); M.-Edw. Hist. Nat. Crust, t. i. p. 874 (1834). 



Cancer {Atergatis) integerrimug, de Haan, Crust. Japon. p. 45, 

 pi. xiv. f. 1 (1839). 



Atergatis integer Amus, de Man, Mergui Crust, p. 24 (1888); 

 id. Zoolog. Jahrb. Bd. viii. p. 496 (1895). 



Hab. Singapore. Littoral : under stones or dead coral. 6 males 

 and 2 females. 



Dim. (J 81x51. 6 67x41-5. tf 44x27-5. 6 36-5x23. 

 <3 24x15. S 23x14-75. $62x39-5. $48-5x30-5. 



Breadth taken is the greatest breadth. 



26. Atergatis eloridus Eumph. 



Cancer Jioridus, Eumph. D'Amboin. Eariteit-kammer, p. 16, 

 pi. viii. f. 5 (1741). 



Cancer ocyroe, Herbst, Krab. u. Krebse, pi. liv. f. 2 (1801) ; 

 M.-Edw. Hist. Nat. Crust, t. i. p. 375 (1834). 



Cancer {Atergatis) Jioridus, de Haan, Crust. Japon. p. 46 (1839). 



Atenjatis floridus, Walker, Journ. Linn. Soc, Zool. vol. xx. 

 p. 109 (1887); de Man, Mergui Crust, p. 24 (1888); id. Zoolog. 

 Jahrb. Bd. viii. p. 498 (1895). 



Hah. Singapore. 5 males and 3 females, one with ova. Erom 

 same localities as A. integer rimus. 



Dim. d 51x35-5. <$ 48x335. d 43-5x30. tf 38-5x27. 

 6 24x17-25. $45-5x32-5. $41-5x29. $31x22. 



Breadth taken is the greatest breadth. 



27. Atergatis roseus Eiipp. 



Carpilius roseus, marginatus, Eiipp. Beschreib. 24 Krabben, 

 p. 13, pi. iii. f. 3 (1830). 



Cancer roseus, M.-Edw. Hist. Nat. Crust, t. i. p. 374 (1834). 



Atergatis marginatus, Dana, U.S. Expl. Exped., Crust, pt. i. 

 p. 158 (1852). 



