144 STALK-EYED CRUSTACEA. 



terior gastric region are not prolonged into spines, and the eye lacks any 

 dark pio-ment. The absence of pigment in the eye, however, I think may 

 be due to the action ot" alcohol. The spine at the antero-lateral angle of the 

 carapace is bent down at a greater angle with the axis of the body than it 

 is in the " Albatross " species, and I think this is also true of the typical 

 G. nobilis. 



Bate's G. acnminaia appears to be very closely allied to G. nohilis, and per- 

 haps will prove to be only a smooth form of the latter species. 



G. gilesii Wood-Mason is a smoother form characterized by the full 

 development of the anterioi" part of the third crest of the carapace. In 

 G. iiuguiculata Wood-Mason, the carapace and abdomen are covered with a 

 velvety pubescence, the postero-inferior corners of ' the second and thiid 

 pairs of abdominal pleurte are angular rather than spinose, and the outer 

 margins of the dactyl i of the fourth and fifth pairs of legs are produced near 

 the apex into a minute, incurved claw. 



The t3-pe specimen of G. vubiiis was taken in 11-31 fathoms near the Island 

 of Dominica, W. I. 



Glyphocrangon sicaria Fax. 

 Plate XXXIX. 

 Bull. Mus. Conip. Zool., XXIV. 202, 1893. 



Rostrum equal in length to the rest of the carapace, armed with a pair 

 of .short, blunt lateral teeth a little in advance of the front of the eyes, and 

 another pair of obsolescent ones at the root. Between these two pairs of 

 teeth the margins of the rostrum are concave and a little raised. From the 

 anterior teeth the rostrum tapers regularly to the point. The upper surface 

 is plane and smooth (neither corrugated nor ciliated). A slight median 

 carina, most obvious near the tip, runs the whole length of the rostrum 

 from the anterior boundary of the gastric area to the tip, and the lateral 

 margins are lightly rimmed. The lower surface is grooved longitudinally, 

 and wholly devoid of a median keel. 



The orbital spine is rather short and tliick. and is directed a little out- 

 ward and upward. The spine at the antero-external angle of the carapace 

 is also short and thick, but slightly exceeding the orbital spine ; it is turned 

 but very slightly outward, but its downward deflection is stronger. From 

 its base a low carina extends backward over the hepatic area. This carina 



