EEPORT ON THE ANOMURA. 13 



■ 

 The trunk and limbs of this species are everywhere covered by a spongy pubescence, 

 and the dorsal surface of the carapace is marked by a series of depressions chiefly on the 

 gastric area. The cervical and gastro-cardiac grooves of the carapace are well marked. 

 The median rostral tooth is of large size and partially overhangs the basal joints of the 

 antennae and antennules. A small fissure is present on the lower orbital border, near the 

 external angle. The chelipedes are proportionately of large size. 



The original specimens came from the Cape of Good Hope. The Dromiid from St. 

 Paul referred by Heller to this species is stated to have no orbital fissure, and a small 

 tooth present near the posterior part of the lateral border, so it is perhaps a distinct 

 species. Dromia fulvo-hispida, Miers, from Senegambia, is closely allied, l)ut the 

 carapace shows no inequalities ; it is possible, however, that the characters of this last 

 species have been drawn up from a young individual, and it may yet have to be 

 united with Dromidia spongiosa. 



The single specimen taken by the Challenger is a male which gives the following 

 measurements: breadth of carapace 13"5 mm., length of carapace 10'7 mm., of chelipede 

 18 mm., of first ambulatory limb 14 mm. 



Dromidia hicornis, Studer. 



Dromidia hicornis, Studer, " Gazelle" Crust., AbhanJl. J. k. Akad. d. Wiss. Berlin, p. 20, Taf. i. 

 fig. 9 a-b, 1883. 



Habitat. — Station 142, off the Agulhas Bank; depth, 150 fathoms; bottom, green 

 sand. Four specimens, two of either sex. 



Examples were dredged by the " Gazelle " in or near the same locality (south of the 

 Cape of Good Hope), at a depth of 117 fathoms, on a sandy and stony bottom. 



Genus Eiidromia, n. gen. 



Carapace convex, scarcely pilose, ovate, the length exceeding the breadth. Palate 

 with an elevation on each side as in Cryptodromia and Dromidia. Frontal region 

 strongly developed, antennules large. Chelipedes narrow, the carpal and propodal joints 

 but slightly dilated, the last two pairs of legs subequal and of very small size. Sternal 

 sulci in the female passing forwards to the posterior border of the segment which bears 

 the chelipedes, where they meet in a tubercle. The penultimate abdominal segment of 

 the female furnished with appendages. 



In many of its characters this genus resembles Dromidia, but it is sufl&ciently dis- 

 tinguished from the latter by the shape of the carapace, the prominent frontal region,, 

 and the small size of the ultimate and penultimate pairs of legs. 



