12 Pisces. 
riscES. 
CHONDROSTEI. 
QonoNOWiTSCJir, N. Das Gehirn und dio Cranialnorven von Acipewer 
ruthenus. Ein Boitrag zur Morphologie dcs Wirbelthierkopfes. 
Morph. JB. xiii, pp. 427-514, pis. xvii-xxiii. 
J. A. Ryder, Am. Nat. xxii, pp. 059 & 000, has notos on tho develop- 
ment of Acipenser sturio. 
POLYPTEROIDEI. 
Notes on the HoloptycJiiidce, Rhomboclipterklce , and Saurodipterini ; 
Tiiaquair, Geol. Mag. (3) v, pp. 512-510. 
Thursius pholidotus , n. g. & sp., id. t. c. p. 510, Old Red Sandstone, 
Thurso. 
Reiss, O. M. Die Ccelacanthinen, mit besonderer Beriicksichtigung der 
im Weissen Jura Bayerns vorkommenden Gattungen. Palaxmtogr. 
xxxv, pp. 1-94, pis. i-v. 
Tho following are the names of the new species : — 
Undina acutidens , p. 10, pi. i, figs. 1-0 & 8-24. 
Caccoderma gigas ) p. 57, pi. iii, figs. 17-19. 
PYCNODONTOIDEI. 
Jaccard, A. Sur quelques especes nouvelles de Pycuodontes du Jura 
Neuchatelois. Bull. Soc. Neuchatel, xvi, pp. 41-44. 
LEPIDOSTEOIDEI. 
O. Reiss, SB. bayer. Ak. 1887, pp. 151-177, pis. i & ii, writes on the 
fossil genera lhlonostomus, Ag., and Aspidorltynclius , Ag.,. aud on their 
affinity to the living Lepidosteus. 
Colobodus varius, Giebel, p. 30, pi. iv, fig. 2, mcixinius, Quenst., p. 32, 
pis. ii, fig. 3, iii, fig. 2, & iv, fig. 1, chorsowensis , p. 37, pi. vi a, figs. 1-8, 
noticed and figured by Dames, t. c. G. frequens , n. sp., id, t. c. p. 20, 
pis. vi, fig. 1, & ii, figs. 4 & 5, Muschelkalk of Germany. 
Crenilepis sandbergi , n. g. & sp., for a fragment of scale from the 
Muschelkalk of Krainberg, Germany; id. t. c. p. 40, pi. v, fig. 3. 
Serrolepis suevicus , n. n., id. t. c. p. 41, pi. iii, figs. 4-8. 
Branco, W. Beitriige zur Kenntniss der Gattung Lepidotas. Abh. 
Geol. Specialkarte Preussen, vii, pp. 323-406, pis. i-vii [1887]. 
i. Die Lepidoten-Fauua des Wealden von Obernkirchen. 
ii. Lepidotus Jcoeneni, n. sp., und einige andere jurassische Arten. 
ill. Uebersicht fiber die Arten dcr Gattung Lepidotus. 
Lepidotus triasicus , n. sp., Bassani, Atti Soc. Ital. xxix (1886), p. 38, 
Trias, Lombardy. 
PhoUdopliorus barazzettii , p. 35, and besunensis , n. spp., id. t. c. Trias, 
Lombardy. 
Nothosomus bellottii, n. sp., id. t. c. p. 37, Trias, Lombardy. 
