ELA.SMOBRANCHII. 
Pisces 41 
fe. Bugnion, Bull. Soc. Vaudoise, xxx, 1894, P.V. pp. xxxi-xxxiv, has 
notes on the oviposition and development of some Plagiostomes on 
the coast of Brittany ( Scyllium canicula , Acanthias vulgaris, Raia 
alba and clavata ). 
On the regression of the vitelline sac in Selachians ; Giacomini, P.V. Acc. 
Fisiocritti Siena, cciii, 1894, No. 6, and Monit. Zool. ital. vi, 1895, 
pp. 24 & 25. 
On the development stages in young Selachian embryos ; W. Hts, Arch. 
Anat. 1894, pp. 337-354, pi. xxi. 
On the development of the head in Selachians ; C. K. Hoffmann, Anat. 
Anz. ix, 1894, pp. 638-653, figg. 
A. Sedgwick remarks on the early development of the third nerve and of 
the sympathetic in Elasmobranchs, Q. J. Micr. Soc. xxxvii, 1894, 
pp. 87-101. 
On the early development of the olfactory organs of Torpedo ; J. F. 
Holm, Anat. Anz. x, 1894, pp. 201-207, figg. 
On metameric segmentation in the medullary folds and embryonic rim in 
Acanthias ; W. A. Locy, op. cit. ix, 1894, pp. 393-415, figg. 
On the germinal blastema in Scyllium ; J. E. S. Moore, t. c. pp. 547-552, 
figg- 
On indirect cellular division in Selachians ; Mitrophanow, Int. J. Anat, 
Physiol, xi, 1894, pp. 333-359, pi. xvi. ' 
On spermatogenesis in the Selachians ; Sabatier, C.R. Ac. Sci. cxx, 
1895, pp. 205-208. 
AGANTHODII. 
On the shoulder-girdle of Acanthodes and allies ; Traquair, Geol. Mag., 
Dec. iv, i, 1894, p. 255. 
Acanthodes wardii , Egert., described and figured by J. W. Davis, Tr. 
Dublin Soc. v, 1894, p. 252, pis. xxvii-xxix. A. major , n. sp., id. 
t. c. p. 257, pi. xxix, figg. 5 & 6, Coal-measures of Staffordshire and 
Yorkshire. 
Acanthodopsis microdon , n. sp., Traquair, Ann. Nat. Hist. (6) xiv, 1894, 
p. 372, pi. ix, fig. 7,'Upper Carboniferous, Cheadle Coal-field. 
Diplacanthus tenuistriatus , n. sp., Traquair, Geol. Mag., Dec. iv, i, 1894, 
p. 254, Old Red Sandstone, Cromarty and Gamrie, Scotland. 
Parexus recurvus , Ag. : on a spine from the Old Red Sandstone of 
Cradley, Herefordshire ; Traquair, Ann. Nat. Hist. (6) xiv, 1894, 
p. 368. 
SELACHIL 
Asterospondyli. 
Protogalkus latus , n. sp. (foss.) ; Storms, Mem. Soc. Beige Geol. viiij 
1894, p. 78, pi. vi, fig. 17, Rupelian of Belgium. 
