10 Pisces. 
PISCES. 
Virciiow, H. Uebor die Augengefusse der Selachier und die Verbiudung 
dersolbon mit den Kopfgofiisson. Arcb. Anat. Phys. 1890, Phys. 
pp. 1G9-173. 
■ . Ueber die Spritzlochkieme der Selachier. T. c. pp. 177-182. 
Pilliet, A. Recherches sur la structure du Foie des S<$lacions. C.R. 
Soc. Biol. (9) ii, pp. 690-694. 
Schneider, A. Zur friihesten Entwickelung besonders der Muskeln der 
Elasmobranchier. Zool. Beitr. ii, pp. 251-266, pi. xxii. 
Kastschenko, N. Ueber den Reif ungsprocess des Selachiereies. Z. wiss. 
Zool. 1, pp. 428-442, pi. xvii. 
Alcocic, A. Natural History Notes from H. M.’s Indian Marine Survey 
Steamer ‘Investigator/ Commander Alfred Carpenter. No. 14: 
Observations on the Gestation of some Sharks and Rays. J. A. S. B. 
(2) lix, pp. 51-56, pi. i. 
Deals with Carcharias melanopterus , Zygoma blochii , Carcharias dussu- 
mieri , Trygon bleelceri , and Myliobatis nieuhoji. 
TECTOSPONDYLI. 
Fritscii, G. Die Elektrischon Fischo. Zwoite Abtlioilung : Dio Tor- 
pedineen. Leipzig : 1890, fob, 146 pp., woodcuts, 20 pis. 
. Ueber das numerische Verhaltniss der Ganglienzellen im Lobus 
electricus der Torpedineen zu ihren peripherischen Endorganen. 
Arch. Anat. Phys. 1890, Phys. pp. 183-186. 
Ewart, J. C. The Cranial Nerves of the Torpedo. Preliminary Note. 
P. R. Soc. xlvii, pp. 290 & 291. 
Doiirn, A. Studien zur Urgeschichte des Wirbelthierkorpers. xv. Neue 
Grundlagen zur Beurtheilung der Metamerie des Kopfes. MT. z. 
Stat. Neap, ix, pp. 330-434. 
Remarks based .on Torpedo inarmorata. 
Platt, Julia B. The Anterior Head-Cavities of Acantluas. Preliminary 
Notice. Zool. Anz. xiii, p. 239, fig. 
Howes, G. B. Variation in the Kidney of the Common Thornback 
(Raia clavata ) : its nature, range, and probable significance. J. Anat. 
Phys. xxiv, pp. 407-422, pi. xvii. 
Trygon thalassia fossilis , n. var. (fo3S.), Jaekel, Z. geol. Ges. xlii, p. 365, 
Molasse of Baltringen. 
SMazodus, n. g., for jaws of an Elasmobranch, perhaps allied to Psam- 
modus ; Newberry, Pal. Fishes N. Am. p. 178. M. kepleri , n. sp. (foss.), 
id. t. c. p. 180, pi. xxi, figs. 1-3, Carboniferous, Ohio. 
Pristiophorus, M. & H. : oh the systematic position of this genus, and 
its affinity to the Spinacidce } and on its fossil remains ; Jaekel, Z. geol. 
Ges. xlii, p. 86, figs., pis. ii-v. P. suevicus } n. sp. (foss.), id. t. c . p. 116, 
Molasse of Baltringen. 
