1913.] S. Kemp: Crustacea Stomatopoda of the Indo-Pacific Region. 101 



1. The rostrum is shorter, nearly twice as broad as long. 



2. The eyes are much stouter, shorter than the greatest breadth of the rostrum 



and the cornea is dorso-ventrally flattened and is set transversely on the stalk. 



3. The dorsal process of the basal segment of the antennal protopodite is deeply 



chanelled dorsally and the margin of the vertical keel on its ventral surface 

 is not concave in lateral view. 



4. The seventh thoracic somite is squarely truncate laterally and is not narrowed, 



and the lateral margin of the eighth shows only obscure indications of the 

 deeply-incised notch which occurs in P. ciliata. 



5. The anterior limb of the Y-shaped groove on the lateral wall of the first 



abdominal somite is obsolete. 



6. There is a deep incised groove isolating two separate lobes between the sub- 



median and intermediate spines of the telson, and a similar groove defining 

 a similar lobe just inside the lateral spines. These lobes replace the small 

 spinules noticed in the preceding species. 



7. The outer spine of the bifurcate process of the uropod is much larger than the 



inner and reaches to the distal end of the exopod. 



8. The ultimate segment of the exopod is very small, less than half the length of the 



preceding segment and the outermost of the 9-1 1 movable spines which fringe 

 the external margin of the latter, reaches beyond the apex of the former. 



9. The whole animal is narrower, the greatest breadth of the abdomen being 



about one-sixth the total length. 

 In most spirit specimens a pair of conspicuous dark eye-spots, which are frequently 

 defined by a white ring, are found on the carapace. 



There are only two specimens in the Indian Museum : — 



(purchased.) . . 1 d 1 , 82 mm. 



~ Mauritius. , . Stege. . . 1 9 , 47 mm. 



This species appears to be much scarcer than P. ciliata ; it has been recorded from 

 Tahiti (Heller) ; Samoa (Ortmann) ; Kagoshima, Japan (Ortmann) ; Philippines (Miers) ; 

 Amboina (Miers, de Man, Ortmann) ; Salomon Atoll, Chagos Arch. (Borradaile)- 

 Coetivy, Seychelles (Borradaile) and Mauritius (Bigelow). 



3. Pseudosquilla oxyrhyncha, Borradaile. 



1898. Pseudosquilla oxyrhyncha, Borradaile, Proc. Zool. Soe., p. 37, pi. vi, figs. 9, ga-d. 



1907. Pseudosquilla oxyrhyncha, Borradaile, Trans. Linn. Soc, Zool. (2), XII, p. 213. 

 This species is known to me only from Borradaile' s description and figures. It is 

 evidently extremely closely allied to P. oniata, but differs from it in possessing a delicate 

 apical spine on the rostrum. Borradaile (1907) states that, in addition, the last segment 

 of the expodite of the uropod is outreached by the inner spine of the bifurcate process, 

 but in his figure (1898) the reverse is shown. The dorsal edge of the carpus of the rap- 

 torial claw terminates (according to the figure) in a spine and in this respect differs from 

 the examples of P. ornata in the Indian Museum. In other details, such as the form of 



