34 Pisces. 
PISCES, 
widely separate ; four gills with wide clefts. No scales. Pectoral and 
vertical fins well developed, the latter confluent. The dorsal begins some 
distance behind the occiput. P. purpureas, n. sp., id. Ann. N. H. (6) vi, 
p. 310, Arabian Sea, 1000 fath. 
A. Voeltzkow, ZoqI. Anz. xiii, p. 314, remarks on a gravid female 
Murcena from Zanzibar. 
LOPHOBRA.NCHIL 
Syngnathus altirostris , n. sp., Douglas-Ogilby, Rec. Austral, Mus. i, 
p. 55, Moreton Bay and Clarence River. 
Ichthyocampus tryoni , n. sp., id. t. c. p. 5G, Moreton Bay. 
PLECTOGNATHI. 
Batistes vetula, L. : on a specimen taken at Wood’s Holl, Massachusetts ; 
Garman, Bull. Ess. Inst, xxii, p. 53. 
Melichthys bispinosus , n. sp., Gilbert, P. U. S. Nat. Mus. xiii, p. 125, 
Pacific coast of N. America. 
Tetrodon aurantius , n. sp., Douglas-Ogilby, Rec. Austral. Mus. i, pp. 
81 & 101, N. S. Wales. 
Orthagoriscus mold, L. : on a young specimen from the coast of Florida ; 
Perugia, Ann. Mus. Genov. (2) vii, p. 365, fig. : on a large specimen 
from the Dutch coast ; v. Lidtii de Jeude* Notes Leyd;Mus. xii, p. 189, 
pi. viii. 
CYCLOSTOMATA. 
Gaskell, W. II. On the Origin of Vertebrates from a Crustacean-like 
Ancestor. Q k J. Micr. Sci. xxxi, pp. 379-444, pis. xxv-xxviii. 
Chapter i. The evidence given by the Central Nervous System and 
Pineal Eyes of the Ammoccetes of Petromyzon planeri. 
Retzius, G. Biologische Untersuchungen. Neue Folge. i. Stockholm: 
1890, fol. 
4. Ein s. g. Caudalherz bei Myxine glutinosa ; pp. 94-96, pi. xviii; fig. 1. 
5. Ueber die Ganglienzellen der Cerebrospinalganglien und fiber subcu- 
tane Ganglienzellen bei Myxine glutinosa ; pp. 97-99, pi. xviii, figs; 2-44. 
Nestler, K. Beitrage zur Anatomie und Entwicklurigsgeschichte von 
Petromyzon planeri. Arch. f. Nat. lvi, 1, pp; 81-112, pis. Vi & vii. 
Preliminary communication in Zool. Anz. xiii, pp. 11 & 12. 
Spencer, W. B. The Pineal Eye of Mordacia niordax. P. R. Soc. 
Viet (2) ii, pp. 102-105, fig. 
Klinckowstrom, A. Beitrage zur Kenntniss des Verlaufes der Darm- 
und Lebervenen bei Myxine glutinosa. Biol. Foren. ii, pp. 62-67. 
