ELASMOBRANCHII. 
Pisces 39 
Scyllium acanthonotum , De Fil., is the young of S. catulus, Cuv. ; 
Bellotti, Atti Soc. Ital. xxxiii, p. 110. S. hispidum , n. sp., Aluock, 
Ann. N. H. (6) viii, p. 21, Andaman Sea, 188-220 faths. S. planum, n. sp. 
(foss.), for teeth from the Chalk formatioh of the I. of Seeland, Denmark, 
J. W. Davis, Tr. R. Dubl. Soc. (2) iv, p. 383, pi. xxxviii, fig. 9. 
Catulus xaniurus , p. 540, cephalus, p. 541, and brunneus, p. 542, u. spp., 
Gilbert, P. U. S. Nat. Mus. xiv, Gulf of California. 
Euprotomicrm hyalinus, n. sp., R. S. Eigenmann, P. Cal. Ac. Sci. (2) iii, 
p. 35, Pacific Ocean, between Honolulu and San Francisco. 
JTybodus reytdaris , n. sp. (foss), Cope, P. U. S. Nat. Mus. xiv, p. 448, pi. 
xx viii, fig. 2, Trias (?), Texas. 
^ Stypobasis Jcnightiana, n. g. & sp. (foss.), for a tooth, the crown of 
which resembles Oxyrhina and the root Dendrodus. Id. t. c. p. 447, 
pi. xxviii, fig. 1, Permian of Nebraska. 
TECTOSPONDYLI. 
Howes, G. B. Observations on the Pectoral Fin-Skeleton of the 
Living Batoid Fishes, and of the Extinct Genus Squaloraja , with 
especial reference to the Affinities of the same. P. Z. S. 1890, pp. 675- 
688, figs. 
I. The Pectoral Fin-Skeleton of the Trygonoid Pteroplatea Tiirundo. 
it. The Pectoral Fin-Skeleton of Pteroplatea , compared with that of the 
Raiidce and of the Selachoidei. ' m. The Pectoral Fin-Skeleton o£ Trygon, 
Urolophus, and Myliobatis, compared with that of Raia and Pteroplatea . 
iv. The Pectoral Fin-Skeleton of Miliobatis and of the Torpedinidce . 
v. The Pectoral Fin-Skeleton of the Rhinobatidce. 
Howes, G. B. On the Visceral Anatomy of the Australian Torpedo 
( Ilypnos subnigrum ), with especial reference to the Suspension of the 
Vertebrate Alimentary Canal. P. Z. S. 1890, pp. 669-675, pi. lvii. 
Coggi, A. Les vdsicules de Savi et les organes de la ligne laterale chez 
les torpilles. Arch. Ital. Biol, xvi, pp. 216-224, pi. 
Wood-Mason, J., & Alcock, A. ^On the Uterine Villiform Papillae of 
Pteroplatea micrura , and their Relation to the Embryo. P. R. S. 
xlix, pp. 359-367, pis. vii & viii. 
Platt?, Julia B. A Contribution to the Morphology of the Vertebrate 
Head, based on a Study of Acanthias vulgaris. J. Morph, v, pp.. 
79-106, pis. iv-vi. 
. Further Contribution to the Morphology of the Vertebrate Head. 
Anat. Anz. vi, pp. 251-265. figs. 
Deals with the early development of Acanthias. 
Jaekel, O. Ueber die Gattung Pristiophorus. Arch. f. Nat. lvii, pp. 
15-48, figs., pi. i. 
Pristis , Lath. : the fossil species monographed by G. Vigliarolo, Atti 
Acc. Nap. (2) iv, App. No. 3, 28 pp., 1 pi. P. lyceensis , n. sp. (foss.), id. 
t. c. p. 17, pi., figs. 1-6, Miocene of Lecce Italy. 
