CHONDROPTERYGII. 
Pisces 41 
H. Poll, Arch. mikr. Anat. lxii, pp. 138-174, figg., pi. viii, has investigated 
the development of the suprarenal bodies. 
E. Laguesse, Arch. anat. micr. vi, pp. 99-169, figg., pi. v, has a paper on 
the spleen -capsule in embryos of Acanthias. Abstract, C.R. Soc. 
Biol, lv, pp. 1107 & 1108. 
J. Eismond, Verh. Anat. Ges. 1903, pp. 106-112, figg., writes on the 
behaviour of the periblast in the gastrulation of Scyllium. 
P. Stephan, Arch. anat. micr. vi, pp. 43-60, pi. iii, has investigated 
spermatogenesis in Scyllium. 
F. H. Quix, Tijdschr. Nederland. Dierk. Ver. (2) viii, pp. 35-61, has made 
experiments on the function of the labyrinth in Plagiostomes. 
M. CavaliA C.R. Soc. Biol, lv, pp. 1386-1388, remarks on the bile-vesicle 
and its arterial circulation in Scyllium , Galeus , and Torpedo. 
Ida H. Hyde, Amer. J. Physiol, x, pp. 236-258, figg., has made experiments 
on the respiratory nervous centre in Raia. 
C. R. Eastman, Mem. Mus. Harvard xxvi, pp. 184-188, pis. i & ii, notices 
and figures fossil Sharks’ teeth dredged from the Tropical Pacific. 
Lamna obliqua , Ag. (foss.), and vincenti ', Winkl. (foss.). Teeth described 
and figured by G. De Alessandri, Atti Mus. Milano xli, pjp. 443 & 
450, pi. xii ; L. tarnocziensis, sp. n. (foss.), A. Koch, Foldtani Kozl. 
xxxiii, p. 151, pi. i, fig. 16, Eocene of Tarnocz, Hungary. 
Oxyrhina neogradensis, sp. n. (foss.), A. Koch, t. c. p. 155, pi. ii, fig. 23, 
Eocene of Tarnocz, Hungary. 
Mitsukurina owstoni, Jord. Note by B. Dean, Science (2) xvii, p. 630. 
Ginglymostoma blanckenhorni , sp. n. (foss.), Stromer, N. Jahrb. Min. 1903, 
i, p. 34, pi. i, figg. 1-5, Eocene of Egypt. 
Cephaloscyllium umbratile , sp. n., Jordan & Fowler, P. U. S. Mus. xxvi, 
p. 602, fig., Japan. 
Orodus intcrmcdius , sp. n. (foss.), Eastman, Bull. Mus. Harvard xxxix, 
p. 183, pt. iv, figg. 35 & 36, Carboniferous of Missouri River Valley. 
Ilomacanthus delicatulus and acinaciformis, spp. nn. (foss.), Eastman, 
t. c. p. 218, pi. iii, fig. 28, and pi. v, figg. 58 & 59, Carboniferous of Iowa 
and Pennsylvania. 
Streblodus angustus , sp. n. (foss.), Eastman, t. c. p. 182, pi. ii, fig. 20, 
Carboniferous of Nebraska. 
Physonemus asper , n. n., for P. arcuatus, Leidy nec McCoy (foss.), Eastman, 
t. c. p. 183. 
Helodus incisus , sp. n. (foss.), Eastman, t. c. p. 204, pi. v, fig. 54, Sub- 
carboniferous of Indiana. 
Physonemus hamus-piscatorius and pandatus , spp. nn. (foss.), Eastman, 
t. c. p. 207, pi. v, figg. 44-46, Carboniferous of Iowa. 
Erismacanthus barbatus , sp. n. (foss.), Eastman, t. c. p. 211, pi. v, fig. 47, 
'Carboniferous of Iowa. 
Stetcicanthus erectus , sp. n. (foss.), Eastman, t. c. p. 217, pi. iii, fig. 29, 
Carboniferous of Iowa. 
Notidanus paucidens , sp. n. (foss.), A. Koch, Foldtani Kozl. xxxiii, p. 145, 
pi. i, fig. 3, Eocene of Tarnocz, Hungary. 
Acanthias. Squalus mitsulcurii , sp. n., Jordan & Fowler, P. U. S. Mus. 
xxvi, p. 629, fig., Japan. 
Zameus , g. n., for Centrophorus squamulosus, Gthr., Jordan & Fowler, 
v t. c. p. 632. 
Centroscyllium rittcri ) sp. n., Jordan & Fowler, t. c. p. 635, fig., Japan. 
Fissodus dentatus, sp. n. (foss.), Eastman, Bull. Mus. Harvard xxxix, 
p. 175, pi. ii, fig. 12, Carboniferous of Kansas. 
Janassa maxima and unguicula , spp. n. (foss.), Eastman, t. c. pp. 172 
& 173, pi. ii, figg. 21 & 13, Carboniferous of Nebraska. 
Sclerorhynchus solomonis , p. 399, pi. xxv, hiram , p. 401, pi. xxvi, fig. 1, and 
1903. [Vol. xl ] c 13 
