42 Pisces 
V. PISCES. 
sentus, p. 402, pi. xxvii, fig. 1 , spp. n, (foss.), 0. P. Hay, Bull. Amer. 
Mus. xix, Cretaceous of Mount Lebanon. 
Rhinobatus eretes , sp. n. (foss.), 0. P. Hay, t. c. p. 404, pi. xxiv, fig. 2, 
Cretaceous of Mount Lebanon. 
Raia fyllce, Liitk., and hyperborea, Coll. On Norwegian specimens, 
Collett, Arch. Naturv. Christian, xxv, No. 2, pp. 3 & 7 ; R. magellanica } 
sp. n., Steindachner, Zool. Jahrb. Suppl. vi, p. 212, Puntas Arenas; 
R. cyclophora ) sp. n., Regan, P. Z. S. 1903, ii, p. 60, Rio Janeiro; 
R. tengu , sp. n., Jordan & Fowler, P. U. S. Mus. xxvi, p. 654, fig., 
Japan ; R. whitjieldi , sp. n. (foss.), O. P. Hay, Bull. Amer. Mus. xix, 
p. 405, pi. xxviii, Cretaceous of Mount Lebanon. 
A'etobatis prosti , sp. n. (foss.), Priem, Bull. Soc. geol. France (4) iii, p. 399, 
fig., Lower Eocene, Tunisia. 
Cephcdoptera massenoides , R. Hill, and Ceratobatis robertsii , BJgr. Note 
by Gill, Science (2) xviii, p. 473. 
Manta manatia, Schn. Note by H. W. Fowler, Science (2) xvii, p. 594. 
Listracanthus wardi, sp. n., for an ichthyodorulite from the Middle Coal- 
Measures of Staffordshire, A. S. Woodward, Geol. Mag. (iv) x, p. 486, 
figg- 
incert^e sedis. 
Gemundina sturtzi, g. n., sp. n., for a problematic fish from the Lower 
Devonian of Gemunden, Germany, Traquair, Tr. R. Soc. Edinb. xl, 
p. 734, pi. vii. 
IIunsrucHa problematical g. n., sp. n., for a vertebral column from the 
Lower Devonian of Gemiinden, Germany, Traquair, t. c. p. 736, 
pi. vi, fig. 3. 
CYCLIC. 
W. J. & J. B. J. Sollas, Phil. Trans, cxcvi, pp. 267-294, pis. xvi & xvii, 
give an account of the structure of A dceospondylus gunni , Traq., 
which is regarded as being more nearly related to the Chondro- 
pterygians than to any other Subclass of Fishes. 
CYCLOSTOMI. 
W. H. Gaskell, J. Anat. Physiol, norm. path. (2) xvii, pp. 168-219, figg., 
continues his studies on Ammocoetes. 
E. P. Allis, Anat. Anz. xxiii, pp. 259-281, 321-339, figg., writes on certain 
features in the cranial anatomy of Bdellostoma dombeyi. 
L. Vialleton, Arch. anat. micr. vi, pp. 282-384, figg., pis. xi & xii, has 
studied the heart of Cyclostomes. 
G. Marenghi, Zeitschr. wiss. Zool. lxxv, pp. 421-429, pi. xxix, and Mem. 
1st. Lombardo xix, pp. 195-203, 1 pi., has a contribution to the 
knowledge of the structure of the skin and its innervation in 
Ammocoetes. 
W. Haack, Zeitschr. wiss. Zool. lxxv, pp. 112-146, pis. xv & xvi, writes on 
the buccal glands of Petromyzon. 
Lubosch, Verh. Anat. Ges. 1903, pp. 66-74, figg., remarks on sexual 
differentiation in Ammocoetes. 
E. Bataillon, C.R. Ac. Sci. cxxxvii, p. 79, has made experiments on 
artificial parthenogenetic segmentation of the eggs on Petromyzon 
planeri. 
