122 THE VOYAGE OF H.M.S. CHALLENGEE. 



This species is at once distinguished by the form and armature of the rostrum, and 

 the comparative smoothness of the carapace, in addition to its small size. 



Habitat. — Station 163a, off Twofold Bay, Australia; depth, 150 fathoms; bottom, 

 green mud. A male and two female specimens; both of the latter have a curious 

 parasite (apparently belonging to the Rhizocephala) adhering to the under surface of 

 the abdomen. 



Galathea inconspicua, Henderson (PI. XII. fig. 2). 



Galathea inconspicua, Henderson, Ann. and Mag. Nat. Hist., ser. .'5, vol. xvi. p. 408, 1885. 



Characters. — The transverse strise on the carapace are well developed and fairly 

 numerous (about fourteen can be made out). They form raised lines and are apparently 

 devoid of setae; the regions are not circumscribed, and the lateral borders are indistinctly 

 spinulous, about eight dentations being visible. The gastric area is armed anteriorly 

 with six minute spines. The rostrum is narrow, but not twice the length of the ocular 

 peduncles, which are of rather large size, and the upper surface is excavated towards the 

 base, while the lateral border possesses four minute spinules which diminish in size as 

 they pass forwards ; the apex is narrow and acute. 



The ischium of the external maxillipedes is slightly longer than the merus, the inner 

 border of the latter is armed with three minute spines of which the second is most 

 prominent, while the outer border terminates distally in a single spinule. 



The chelipedes and ambulatory limbs are wanting in the single specimen. 



The striae on the abdominal segments are somewhat pronounced but apparently 

 devoid of hairs. 



Breadth of carapace 2*5 mm., length of body 8 mm., of carapace 4 mm., of rostrum 

 1"5 mm. 



The specimen which has furnished the above description is unfortunately in a very 

 imperfect state of preservation. The species is, however, distinguished by its small size, 

 the armature of the gastric region, the prominent striae, and the narrow rostrum. 



Habitat. — Station 194, off Bauda Island ; depth, 360 fathoms ; bottom, volcanic mud. 

 The single specimen is apparently an adult male. 



Galathea sp. 



The collection contains specimens of a Galathea taken at Station 75, off the Azores ; 

 depth, 50 to 90 fathoms ; bottom, volcanic mud ; and at St. Vincent, Cape Verde Islands, 

 which I had hitherto referred to Galathea intermedia, Lilljeborg, a Scandinavian and 

 British species. It agrees with this species in the following respects : — The carapace is 

 comparatively smooth, about eight transverse striae being present, the first of these (on 

 the gastric area) short, curved, and armed with two spinules ; the rostrum possesses four 



