40 Pisces. 
PISCES. 
Histiobranchus , g. n., for H. inf emails , sp. n., Gill & Ryder, l. c., 
p. 255, lat. 38° 30', long. 69°, 1731 fath. 
LEPTOCEPHALr. 
Leptocephalus affinis, sp. n., Facciolii, Nat. Sicil. ii. p. 147, Messina. 
Leptocephalus stenops , ICaup., p. 147, and Jcefersteini, Kaup., p. 148, 
described ; id. 1. c. 
Helniichthys coccoi, sp. n., id. op. cit. i. [1882], p. 168, Messina. 
Helmichthys punctatus, Raf., described ; id. 1. c. 
Oxystomus hyalinus ) Raf., described and figured ; id. 1. c. pp. 167 186, 
pi. vii. fig. 2. 
Oxystomus rajinesquii, sp. n., id. 1. c. fig. 1, Messina. 
LOPHOBRANCHII. 
Syngnathus pecldanus, Storer. On the osteology and development of 
this species ; McMurrick, Q. J. Micr. Sci. xxiii. pp. 623-650, pis. xlii. & 
xliii. ; extr. in J. Hopk. Univ. Circul. iii. pp. 4 & 5. 
Syngnathus cinctus , sp. n., Ramsay, P. Linn. Soc. N. S. W. vii. p. Ill, 
New South Wales. 
PLECTOGNATHI. 
Abbott, C; C. On the habits of certain Sunfish. Am. Nat. xvii. 
pp. 1254-1257, woodcut. 
Orthagoriscus mola, L. Descriptive notes on a specimen caught in the 
Firth of Clyde ; Campbell, P. N. H. Soc. Glasg. v. pp. 176-178. 
Orthagoriscus ramsayi } sp. n., Giglioli, Nature, xxviii. p. 315. 
Progymnodon , g. n. (foss.), for P. hilgendorji , sp. n., Dames, SB. Alt. 
Berl. 1883, p. 148, pi. iii; fig. 13, Tertiary of the Island of Birket-el- 
Qurftn. 
Batistes papuensis, sp. n., Macleay, P. Linn. Soc. N. S. W. viii. p. 279, 
S.E. New Guinea. 
Monacanthus nigricans and fuliginosus, spp. nn., id. op. cit. vii. p. 596, 
New Guinea. 
Tetrodon fahalca , Hasselq. On its anatomy ; Sorensen, Nat. Tids. xiv. 
pp. 374-396, pi. xvii. figs. 1-3. 
Arothron erethizon , sp. n., Jordan & Gilbert, P. U. S. Nat. Mus. v. p. 631, 
Panama. 
CYCLOSTOMATA. 
Ahlborn, F. Untersuchungen fiber das Gehirn der Petromyzonten. 
Z. wiss. Zool. xxxix. pp. 191-288, pis. xiii.-xvii. 
Dohrn, A. Studien zur LTrgeschichte des Wirbelthierkorpers. in. Die 
Entstehung und Bedeutung der Hypophysis bei Petromyzon planeri. 
MT. z. Stat. Neap. iv. pp. 172-188, pi. xviii. 
