136 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



17._JULIS CLEPSYDEALIS sp. uov. 



Head 3i (3|); depth 3^ (3|)5 length (26826) 7 J inches. D. VIII, 13; 

 A. II, 11; Br. 6; scales 2-27-8. (These measurements taken to end of 

 middle rays of caudal.) 



Body rather stout; head longer than high; jaws about equal; snout 

 little pointed, 2^ iu head ; eye 5 J in head, 1^ in iuterorbital space. 

 Brauchiostegal membrane forming a fold across the isthmus. Gill- 

 rakers short and weak, about 12 on lower part of arch. Is"o slit behind 

 last gill. 



Pores of lateral line mostly branched, forming three or four spread- 

 ing tubes on the scale. The scales extend up on base of dorsal and anal 

 fins, smaller ones on base of caudal. Scales on breast reduced in jsize. 



Dorsal low, its first spine equaling orbital diametei ; spines gradually 

 increasing, the last being twice the height of first; soft portion slightly 

 higher than spinous. Anal similar. 



Outer caudal rays greatly produced, the filamentous part nearly as 

 long as the head. Yentrals 1| in head ; although their first ray is pro- 

 duced the ventrals do not quite reach the vent. Pectorals I-5- in head. 



Color, in spirits, blackish. Head, dorsal and anal fins black; pos- 

 terior portion of body blackish olivaceous ; an hour-glass-shaped lighter 

 area on shoulders, extending across thorax, this area bounded in front 

 by the outline of the black head. Pectoral blue-black in the axil; base 

 of fin yellowish, followed by a black blotch that covers the upper rays 

 to their extremities, descendiug obliquely forward leaves the lower rays 

 l>lain yellowish and transparent at their tips. Caudal blackish. Yen- 

 trals light, transparent, the spine and first ray dusky. Peritoneum 

 gray, with a pinkish shade. 



One fine example. 



18.--HARPE BILUXULATA (Lacep.) Smith & Swian. 



Lahrtis Inlunulaius Lac6p. Hist. Nat. Poiss. iii, 454, 52G, pi. 31, 1802. 



Comjpkus hihinulatus Cuv. & Val. Hist. Nat. Poiss. xiii, 121, 18:59 (Seas of lucTia, Isle 



de France) ; Gtbr. Cat. Fisla. Brit. Mus. iv, 105, 1862 (Isle do France, Aiu- 



boyna, Mauritius) ; " Gthr. Fish. Zauz. p. 87"; Blkr. Atl. Iclith. i, IGO, tab. 



38, fig. 3; Blkr. Neg. Bijd. Viscli. Amboina,'4 (Amboyna) ; Blkr. Index Pise. 



Actorum Sci. Soc. Indo-Neer. 4 (name only) ; Gtbr. Jour. Mus. Godeff. Fiscbe 



der Slidsee, 240, pi. 130, 1881 (Mauritius, Zanzibar, Amboyna, Misol, Sandwich 



Islands). 

 Cossyphiis alhotankdiis C. & V. Hist. Nat. Poiss. xiii, 141, 1839 (Sandwich Islands); 



Gtbr. Cat. Fish. Brit. Mus. iv, 105 (taken from Cuv. & Val.). 

 Gymnoprojmna {bihuudattm) Gill, Proc. Phil. Acad. Nat. Sci. 1863 (generic diagnosis 



only). 



Habitat. — Seas of India, Isle of France, Amboyna, Mauritius, Zanzi- 

 bar, Misol, Sandwich Islands, Johnston's Island. 



Head 2^ (3^); depth 2f (3f); D. XII, 10; A. Ill, 12; scales oi-35-13 



