igii.] S.Kemp: New Crustacea Stomatopoda. 95 



shorter than the antepenultimate. The sixth thoracic somite has 

 an angular dorsal elevation on either side near the anterior edge : 

 antero-laterall}' the margin is deeply excavate and behind this it 

 projects in the form of a truncate lobe with rounded subrectangu- 

 lar anterior and posterior angles. The postero-lateral angles of 

 the last three abdominal somites are sharply spinous. The fifth 

 somite is provided with two obscure longitudinal carinae on either 

 side; the sixth bears laterall}' near the distal margin a pair of 

 spines in addition to those at the postero-lateral angles. These 

 spines form the term^inations of irregular carinae. The telson is 

 provided dorsally with a trilobed median prominence, on either 

 side of which there is a sharp intermediate spine and an angular 

 lateral lobe. This armature is placed near the distal edge and is 

 homologous with the curved row of spines found in L. acanthocar- 

 pus and L. lafifrons ; in front of it there are eight longitudinal 

 carinae the outermost of which is proximally bifurcate. On the 

 margin of the telson there are two long movable submedian spines 

 and two pairs of large fixed laterals. There are four short spines 

 between the submedians and the first laterals, and one between 

 the two laterals. vSix movable spines fringe the outer margin of 

 the basal joint of the exopodite of the uropod and of these the 

 two outermost are curved and much longer than the next of the 

 series. 



One specimen found in the neighbourhood of the Andamans 

 in 235 fathoms. 



Squilla gilesi, Wood-Mason, MS. 



Squilla gilesi is related to 5. lata. Brooks, but may readily be 

 distinguished from it by the following characters : — 



The carapace in front of the cervical groove is wholly without 

 trace of carinae and its anterior margin on either side of the ros- 

 trum is strongly sinuous. The lateral edges of the rostrum are 

 not concave near the apex as in 5. lata but are evenly convex, and 

 the lateral spinous process of the fifth thoracic somite is longer 

 than in that species and has a stronger forward inclination. There 

 are sharp submedian carinae on the last two thoracic and on all 

 the abdominal somites. The sublateral carinae on the last three 

 or four somites and the lateral carinae on the last four, five, or 

 six terminate in spines. On either side of the median crest of 

 the telson the impressed parallel lines found in S. lata are not 

 visible and on the margin there are two or three submedian den- 

 ticles, five to eight intermediate and one lateral. The inner mar- 

 gin of the bifurcate process of the uropod is finely serrate, not 

 spinous. 



The median carina and margins of the telson are strongly 

 swollen in the adult male and the raptorial dactylus, which bears 

 six teeth including the terminal one, is, in this sex, strongly sinuous : 

 convex in the female. In the adult male, also, the propodus of 

 the raptorial claw is very strongly dilated near its distal end. 



