42 Bulletin, Vanderhilt Marine Museum, Vol. II 



The antermal peduncle has the peduncular articles stocky, the distal 

 one with a short, rounded, or blunted tooth, at its outer distal angle. 

 The scaphocerite is narrowly oval, ciliate; the flagellum is composed 

 of two elongate, cylindrical basal articles and about fifty short 

 annulae. 



Synonymy : SquUla panamensis Bigelow, R. P., Johns Hopkins Univ. 

 Circ, No. 88, 1891 ; Proc. U. S. Nat. Mus., vol. 17, p. 526, 1891.— 

 Faxon, Mem. Mus. Comp. Zool., vol. 18, p. 237, 1895. 



Squilla (Alima) gracilis Milne Edwards. 



Material examined : Several specimens taken with electric light at 

 night. Egg Island Harbor, West Indies, January 19, 1925, by the 

 ''Ara." 



Distribution : In the plankton, "West Indian waters. 



Discussion: These larvae correspond in all details with those fig- 

 ured and described by Brooks in the ''Challenger" Report. The 

 adult form represented by this Alima is unknown, but is believed to 

 be a deep-water Squilla. 



Synonymy. — Squilla (Alima) gracilis Brooks, Rept. Stomatopoda 

 Voy. ''Challenger," Zool., vol. 16, p. 85, pi. 4, figs. 4-6, pi. 5, fig. 3, 

 pi. 6, figs. 3-5, pi. 8, figs. 4-6, 1886. 



BRACHYURA. 



Subtribe: Dromiacea. 

 Family: Dromidae. 



Genus: DROMIDIA. Stimpson. 

 Dromidia antillensls Stimpson. 



Plate 7, figs. A and B. 



Name : Sponge carrier crab. 



Diagnostic characters: Carapace decidedly convex, longer than 

 wide ; densely, finely hirsute ; late two pairs of legs reflexed upon the 

 back ; with dactjdi produced into three interlocking hooks for the pur- 

 pose of holding a sponge over the crab. An oblique line of four small 

 tubercles running inward from the anterolateral angle across the 

 pterygostomian region to the external distal angle of the maxilliped. 



