PAL^ICIITHYES, ACANTHOPTERYail. 
89 
On the yelk-string of the Plagiostomes, S. Schenk, SB. Ak. Wien, Ixix. a 
; pt. 2, pp. 301-308, plate, and on the eggs of Raia quadrimaculata^ id.*^ | 
V. op. cit. Ixviii. pt. 2, pp. 363-374, plate. 
Agassiz has described the reproduction of Sharks and Rays, explaining | 
the office fulfilled by the appendages of the ventral fins, and giving his i 
views of the homology of these organs ; P. Bost. Soc. xiv. p. 339. ' 
C \/Acipenser. Note on an intestinal calculus in a Sturgeon, by Delachanel 
& Mermet ; O.R. Ixxviii. p. 1859. 
\/ Acipenser schipa, Lovetzky, described and figured by Kessler in Fed- 
chenko’s Turkestan Journey, ii. pt. 6, p. 46, pi. vii. figs. 34 & 35. 
ScapJm'hyncJms fedtschenkoiy K., re-described and figured; id. 1. c. p.48, 
pi. vi. figs. 28 & 29, & pi. vii. figs. 30-35. 
Acipenser dairy anus, Dum., a specimen at Shanghai ; A. Giinthfer, 
Ann. N. H. (4) xiii. p. 159. 
y Carcharias lamia, Riss., has been obtained by Swinhoe at Shanghai ; 
id. ibid. And ''(7. gangeticus, caught at Bagdad; Giintker, op. cit. xiv. 
p. 36. 
Haast refers a species of shark, supposed to be the “ Mako ” of the 
Maories, to Lanina cornuhica. The teeth are provided with basal cusps. 
Tr. N. Z. Inst. vii. p. 237. 
The blood corpuscles of Lanina cornuhica are larger than those of the 
I Teleostei, approaching in size the Batrachia, but less than in Lepidosiren ; i 
LGulliver, Q. J. Micr. Sc. xii. p. 40. j 
Parascyllinm nuchale, sp. n., M‘Coy, Ann. N. H. (4) xiii. p. 15, Mel- 
bourne. 
Narcacion polleni, Blkr., re-described and re-figured by Bleeker ; Faune 
de Madagascar, pt. 4, p. 1, pi. i. 
y/ Raia porosa, sp. n., Gunther, Ann. N. H. (4) xiii. p. 154, Ohefoo. 
/ Myliobatis noctula, Dum. On a monstrosity of this species found in 
the Adriatic; L. Paolucoi, Atti Soc. Ital. 1874, pp. 60-63, pis. i. & ii. 
TELEOSTEI. 
ACANTHOPTERYGII. 
Pbrcid^. 
j / L. Vaillant makes observations on the scales of the lateral line in 
^ this family, the study of which convinces him of the heterogeneous 
composition of certain genera. C.R. Ixxix. pp. 406-409. 
Perea schrenki, -sp. n., Kessler in Fedchenko’s Turkestan Journey, ii. 
pt. 6, p. 50, pi. viii. fig. 35, Turkestan. 
Centropomus, Lac6p. L. Yaillant & F. Bocourt (Miss. sc. M6x. pt. 4) 
discuss in detail the characters and composition of this genus, giving a 
revision of the 7 species which they have examined, the 6 remaining being 
known to them only by the descriptions of Poey & Gunther. 
Complete des^iptions, with the synonymy and figures, entire and of 
characteristic parts, are given of the following : — 
^ C. undecimalis, Bl. (syn. C. appendi^latus, Poey), p. 17, pi. ii. fig. 
