he eee 


1891.] Record of American Zoology. 707 
RECORD OF NORTH AMERICAN ZOOLOGY. 
BY J. S. KINGSLEY. 
(Continued from Vol. XXV., page 557.) 
VERTEBRATES. 
Minot, C.-S.—The mesoderm and ccelom of vertebrates. 
Am. Nart., XXIV., p. 877, 1890. 
Ayers, H.—Concerning vertebrate cephalogenesis. Journ. 
Morph., IV., p. 221, 1890. 
RYDER, J. A.—A physiological theory of the classification of 
the skeleton. Proc. Am. Philos. Soc., XXVI., p. 550, 1890. 
* Ducros, G.—La perche argentic d’Amerique ou calico bass. 
Rev. Sc. Nat. Appl., 1889, p. 12. 
Minot, C.-S.—Zur morphologie du Blutkörperchen. Anat. 
Anz., V., p. 601, 1890. 
Ayers, H.—The morphology of the carotids, based on a 
study of the blood vessels of Chlamydoselachus EE 
Bull. Mus. Comp. Zool., XVII., 1889. 
* SPITzKa, E C: EE T A sketch of human duros 
ment. Medical Standard, V., p. 133, 1889. 
Minot, C.-S.—Morphology of the blood corpuscles. Am 
Nat., XXIV., p. 1020, 1890. 
Naxacawa, I.—The origin of the cerebral cortex and the 
homologies of the optic layers of the lower vertebrates. Journ. 
Morph., IV., p. 1, 1890.—Forms studied are: Menobranchus, 
Rana, Spelerpes, Tropidonotus, Columba, Didelphys. 
Gace, S. P.—The intramuscular ending of fibers in the skeletal 
muscles of the domestic and laboratory animals. Proc. Am. 
Soc. Microscopists, XIII., p. 132, 1890. 
TUNICATA. 
Brooks, W. K.—On the relationship between Salpa and Pyro- 
soma. J. H. U. Circ., IX., p. 53, 1890. 
Morgan, T. H.—The origin of the test-cells of the Ascidians. 
Journ. Morph., IV., p. 195, 1890. 5 
* 
