NINE SPECIES OF SQUILLID^. 9 



Opbtbalmic ring larger, divided by a median emargination of its anterior 

 margin into two rounded and sligbtly divergent antero-lateral lobes. 



Eye-peduncles longer and slenderer, meeting for about tbe basal balf of their 

 length in a straight suture, separated as to the rest by a narrow fissure, which is 

 contracted in width slightly by enlargement of the corneas. The bilobed corneas 

 are larger, with both the lobes superior, the outer with bead-like facets, the inner 

 and more prominent smooth or with the facets obsolescent : the pigment appearing 

 as two basally-straight and apically bi-festooned larger coal-black specks. 



The antero-lateral angle of the fifth thoracic tergum acutely conical : the 

 outer ends of the sixth and seventh regularly rounded, not wavy : the antero-lateral 

 angle of the eighth not acute. 



Submedian crests of thoracic and of the first to the fifth abdominal terga, and 

 median tubercles of the latter, absent. 



On the ventral surface the telson presents only a slight trace of a post-anal 

 crest in an adolescent male, and no trace whatever in an adult male, and no basi- 

 lateral excavations ; but in the place of the compressed tubercle that limits the 

 excavations in G. Latreillei there is, in the present species, a short though distinct 

 oblique ridge. 



On the dorsal surface the telson is ornamented almost as in C. Latreillei, the 

 chief difference being that the three short curved lines of tubercles are almost 

 indistinguishably run together into lines ; the bosses that surmount the bases of 

 the marginal spines, which are, as Milne-Edwards said," a peice saillantes " are, 

 in correspondence with the shortness of the spines, smaller and less elongated ; 

 the submedian spines terminate in a movable spinule, and the intervening spinules 

 are simple. 



The caudal swimmercts bear on the distal end of the basal joint of the exopo- 

 dite a round coal-black spot. 



Nos. -g~ and -y-. Two males, from Karachi, presented by the Karachi 

 Museum. 



Chloridella decorata, Wood-Mason. 

 Plate IV. figs. 14-17. 



Chlorida decorata, Wood-Mason, P. A. S. B., 1875, p. 231. 

 Chloridella decorata, Miors, Ann, Mag. Nat. Hist., 1880, (5) V. p. 15. 



Rostrum parabolic, short, broader than long, with the straight sides slightly 

 margined. 



Ophthalmic ring small, parabolic, short, broader than long, entire. 

 Eye-peduncles and eyes as in C. Latreillei, differing only in being less expanded. 



