39 Pisces. 
Plaoiostomi. — Cyclostomi. 
5431 
■fAcanthorhina gen. n., jaekeli sp. n. 
Lias Deutschl., Fra as Stuttgart Jah- 
reshefte Ver. Natk. 66 p. 55. 
j* Edaphodon sedgwicki , described and 
figured, Woodward Mon. Palaeont. 
Soc. 63 p. 183. 
f Myriacanthus bollensis sp. n. Lias 
Deutschl., Fraas Stuttgart Jahres- 
hefte Ver. Natk. 66 p. 61. 
PLAOIOSTOMI. 
Chlamydoselachus abguinus , skeletal 
anatomy, Goodey Proc. Zool. Soc. 
1910 p. 640 pis. 
f Acrodus alpinus sp. n. Predazzo 
in Siidtirol, Wilckens Heidelberg 
Verh. nat. hist. Ver. 10 pp. 81-231. 
f JIelodu8 complus sp. n. Pennsylvania, 
Waverly, Eastman Pittsburg Ann. 
Carnegie Mus. 6 pp. 488-489. 
Centrophorus plunketi sp. n., Waite 
Trans. N. Zeal. Inst. 42 p. 384. 
Notes on Batoid fishes, Fowler 
Philadelphia Proc. Acad. Nat. Sci. 62 
pp. 408-475 ff. 1 2. 
Baja meerdervoorli Bucht Peters des 
Grossen, Beschreibung, Pavlenko Ka- 
zan! Trd. Obsc. jest. 42 pp. 11-12. 
Raja montagux nom. n. for Baia 
maculata Montagu preoc. p. 408, 
brachyurops nom. n. for R. brachyura 
Gunther preoc. 408, bonce-speiensis 
nom. n. for R. capensis Muller and 
Henle. preoc. p. 468, steindachneri 
nom. n. for R. chilensis Steindachner, 
preoc. p. 468, agassizi ribeiroi nom. n. 
for R. agassizi picla Ribeiro preoc. 
p. 468, Fowler Philadelphia Proc. 
Acad. Nat. Sci. 62. 
Pleroplalylrygon subgen. n. ( Dasyatis ) 
p. 474, Fowler Philadelphia Proc. 
Acad. Nat. Sci. 62. 
Discotrygon nom. n. for Discobatis 
Maclay and Macleay p. 468, Fowler 
Philadelphia Proc. Acad. Nat. Sci. 62. 
Eunarce subgen. n. ( Narcobalus ) p. 
472, Fowler Philadelphia Proc. Acad. 
Nat. Sci. 62. 
Trygon fluviatilis, gerrardii , uarnali »• 
notes on, Annandale Mem. Ind. Mus- 
3 pp. 1-2. — T. ponapensis sp. n. Panape* 
Gunther Fische der Slid See p. 493. 
Urogymnus asperrimus, Muller and 
Henle, note on, Annandale Mem. 
Ind. Mus. 3 p. 3. 
PLEUROPTERYGII. 
I Cladoselache brachypterygius, desmo- 
plerygius, gcanthopterygius , easlmani, p. 
240, pachypterygius p. 241, spp. n. 
Ohio, Devonian, Dean Mem. Amer. 
Mus. Nat. Hist. 9 1909. 
INCERTAE SEDIS. 
f Ede-stus crenulatus p. 43, serratus 
p. 47, minusculus p. 48,. spp. n. Illinois ? 
Coal Measures, Hay Smithson. Inst. 
U. S. Nat. Mus. Proc. 37. 
f Toxoprion *gen. n. type Edestus 
lecontei Dean, Hay t.c. p. 56. 
f Lissoprion ferrieri fig. pi. 14, Hay 
t.c. p. 52. 
CYCLOSTOMI. 
Ammocoelcs, Bau und Histologic 
des Gehirns (Russ.), Tretjakov St. 
Peterburg 1910. 
A comment upon recent contribu- 
tions on the brain of Petromyzonts, 
Johnston Anat. Anz. Jena 37 pp. 153 
194. 
Pelromyzon , gastrulation ct formation 
des feuillets, Sklys-Longchamps Ann., 
Soc. roy. malac. 44 p. 7. — Gastr illation 
und dio ,, Concrosconz ’’-Frago, Glaks- 
ner Zool. Anz. 35 p. 733. 
Pelromyzon fluviatilis , circulatory 
system, Mozejko Anat. Anz. 36 p.. 
618. — Development, Glaesner Zool. 
Jahrb. 29 p. 139. 
Bdellostoma, Entwicklung des Kopf- 
skelettes; Neumayer Anat. Anz. 37 
p. 94. 
