210 PERCY SLADEN TRUST EXPEDITION 



The largest specimen (?) is only 47x7 mm. In all the specimens the median and 

 submedian frontal teeth are incompletely separated from each other ; the 4th or rudi- 

 mentary lateral tooth is sometimes indistinguishable. In the smallest specimen (Praslin) 

 the 3rd and 4th teeth are nearly obsolete. 



56. Thalamita cooperi Borradaile. 



Thalamita cooperi Borradaile, Fauna Maldive and Laccadive Arch., i. 1902, p. 206, 

 text-fig. 37. 



Amirante, 29 fins., Sta. E 2; 1 $, 1 ? ovig. : 25—80 fms., Sta. E 11; 5 $, 4 ?: 

 30 fms., Sta. E 21 ; 6 $ (1 with Rhizocephalid parasite), 4 ?. 



The edge of the front is less convex than in the figure cited. 



57. Thalamita bouvieri Nobili. 



Thalamita bouvieri Nobili, Bull. Mus. Hist. Nat., Paris, 1906, -p. 7. 



Cargados Carajos, 30 fms., Sta. B 13 ; 2 $. Amirante, 34 fms., Sta. E 9 ; 1 juv. 



Mature ?, C. 1. 7"5 mm., C. b. 11 -2 mm. 



The antero-lateral lines are nearly parallel to each other ; the postero-lateral 

 margins strongly convergent. The posterior margin of the propodus of the last leg is 

 spinulous. 



58. Thalamita oculea Alcock. 



Thalamita oculea Alcock (4), p. 91 ; Illus. Zool. Investigator, Crust., pt. viii, 1900, 

 pi. 48, figs. 3, 3 a. 



Saya de Malha, 26 fms., Sta. C 16 ; 1 ? ovig. Amirante, 34 fms., Sta. E 9 ; 1 ? juv. 

 Seychelles, 34 fms., Sta. F 8 ; 4 $, 8 ? (6 ovig.). 



Largest specimen, Sta. C 16, $ ; C. 1. 13 mm., C. b. 20 mm. 



In this series the frontal notch, though small, is visible to the naked eye ; the 5th 

 lateral tooth, while very small, is a little larger than the 4th ; there are four teeth on the 

 palm, the tooth at the middle of the outer crest of the upper surface being usually, but 

 not always, well developed. 



59. Lupocyclus rotundatus Adams and White. 

 Lupocyclus rotundatus Alcock (4), p. 23. 



Saya de Malha, 47 fms., Sta. C 12 ; 1 ?. Seychelles, 39 fms., Sta. F 3 ; 1 $ 

 immature. 



The ? is of unusual size, C. 1. 17*2 mm., C. b. 23 mm. 



60. Lupocyclus quinquedentatus Bathbun. 



Lupocyclus quinquedentatus Bathbun, 1906, p. 869, text-fig. 28, pi. 12, fig. 7. 

 Cargados Carajos, 30 fms., Sta. B 9 ; 1 ?. Amirante, 25 — 80 fms., Sta. E 11; 1 ? juv. 

 Seychelles, 34 fms., Sta. F 8 ; 1 $. 



61. Carupa Iceviuscula Heller. 

 Carupa Iceviuscula Alcock (4), p. 26. 



Salomon ; 2 $. Coetivy ; 5 $, 2 ? ; one of the females, immature, has the 6th and 

 7th lateral teeth much longer than usual, and actually spiniform : 32 feet, by diver ; 

 1 ? juv. 



