DIPNOI, 
Pisces 39 
CROSSOPTERYGII. 
On the hypophysis of Calamoichthys ; E. E. Bickford, Anat. Anz. x, 
1895, pp. 465-470, figg. 
On the development of the excretory system in Calamoichthys ; Lebe- 
dinsky, Arch. mikr. Anat. xliv, 1894, pp. 216-228, pi. xv. 
Polypterus hiittikoferi , Stdr., — P. palmas, Ayres ; Steindachner, 
Notes Leyden Mus. xvi, 1894, p. 92. 
DIPNOI. 
SIRENOIDEI. 
W. G. Ridewood, P. Zool. Soc. London, 1894, pp. 632-640, figg> (1895), 
writes on the hyoid arch of Ceratodus forsteri. 
On the absence of external gills in the embryo of Ceratodus ; R. Semon, 
Anat. Anz. x, 1894, pp. 332 & 333. 
On the cerebral nerves of Protopterus ; F. Pinkus, Morphol. Arbeit, iv* 
1894, pp. 275-346, 7 pis., and Anat. Anz. ix, 1894, pp. 562-566, figg. 
Ceratodus, Ag., on somo remains from tho Rhcotio of England ; 
M. Browne, Rep. Brit. Ass. 1893, p. 749 (1894). C. forsteri, Krefft, 
remarks by T. Marg6, Math. term. Ertes. Magyar Ak. xii, 1894, 
p. 156, and Math, naturw. Ber. Ungarn, xii, 1894, p. 195. 
Lcpidosiren paradoxa , Fitz., translation of Euler’s paper [Zool. Rec. 
xxx, Pise. p. 35] in Ann. Nat. Hist. (6) xiv, 1894, p. 1 : remarks by 
Eulers, Verh. deutsch. Zool. Ges. iv, 1894, p. 32 : note by Gunther, 
P. Zool. Soc. London, 1894, p. 316, who regards L. articulata , Ehlers, 
as not specifically distinguishable : remarks on Ayer’s views on this 
fish ; Gill, Amer. Natural, xxviii, 1894, p. 581 : on the limbs ; - 
Lankester, Nature, xlix, 1894, p. 555, figg.; Howes, t. c. p. 576. 
ARTHRODIRA. 
On the ventral armour of Dinichlhys ; A. A. Wright, Amer. Geol. xiv, 
1894, p. 313, figg., pi. ix. 
Brontichthys , n. g., allied to Tilanichthys , for B.clarJd , n. sp.; Claypole, 
t. c. p. 379, pi. xii, Cleveland Shale, Devonian of Ohio. 
Phlydcenaspis anglica , Traq., further notes by Traquair, Ann. Nat. 
Hist. (6) xiv, 1894, p. 369, fig. 
Acanthaspis prumensis , n. sp., Traquair, t. c. p. 370, pi. ix, fig. 1, Lower 
Devonian of Priim, Eifel. 
