LABIAL CARTILAGES OF RAIA CLAYATA. 
113 
Literature. 
Allis, Edw. P., jr. (1898). — “On the Morphology of Certain of the 
Bones of the Cheek and Snont of Amia calva,” ‘Journ. 
Morphol.,’ vol. xiv, No. 3, Boston. 
(1901). — “The Lateral Sensory Canals, the Eye-Muscles, and 
the Peripheral Distribution of the Cranial Nerves of Must el us 
lsevis,” ‘ Quart. Journ. Micr. Sci.,’ vol. 45, part 2. 
(1909). — “ The Cranial Anatomy of the Mail-Cheeked Fishes.” 
‘ Zoologica,’ Hft. 57, Bd. xxii, Lief. 3/5, Stuttgart. 
Ewart, J. C., and Mitchell, J. C. (1892). — “ The Lateral Sense Organs 
of Elasmobranclis. II. The Sensory Canals of the Common 
Skate (Raia bat is),” ‘Trans. Boy. Soc. of Edinburgh, 
vol. xxxvii, part 1 (Nos. 5 and 6), Edinburgh. 
Garman, S. (1888). — “On the Lateral Canal System of the Selachia 
and Holocephala,” ‘Bull. Mus. Comp. Zool. Harvard College,” 
vol. xviii, No. 2. 
Gegenbaur, Carl (1872). — Untersuchungen zur vergleichenden Anatomie 
der Wirbelthiere,” Hft. 3, ‘Das Kopfskelet der Selachier, ein 
Beitrag zur Erkenntnis der Genese des Kopfskelets der Wir- 
belthiere,’ Leipzig. 
Gunther, Albert (1870). — “ Catalogue of the Fishes in the British 
Museum,” vol. viii, London. 
Hawkes, O. A. M. (1906). — ■“ The Cranial and Spinal Nerves of 
Chlamy doselachus anguineus” (Gar.), ‘Proc. Zoolog. Soc, 
London for 1906,’ part 2. 
Luther, Alex. (1909). — “Beitrage zur Kenntnis von Muskulatur und 
Skelett des Kopfes des Haies Stegostoma tigrinum Gm. 
und der Holocephalen, mit einem Anhanguber die Nasenrinne,” 
‘ Acta Soc. Sc. Fennicae,’ Helsingfors. 
Muller, Johannes (1834). — “ Yergleichende Anatomie der Myxinoiden 
der Cyclostomen mit durchbohrtem Gaumen, Th. 1, Osteologie 
und Myologie,” ‘Abh. d. Berliner Akad. d. Wiss. (Phys-math. 
Abt.), Jahrg. 1834,’ Berlin, 1835. 
Parker, T. J. (1884). — ‘A Course of Instruction in Zootomy,’ London. 
Parker, W. K. (1878). — “ On the Structure and the Development of the 
Skull in Sharks and Skates,” ‘ Trans. Zool. Soc. London,’ vol. x, 
part 4, No. 1, London. 
Sagemehl, M. (1884). — “Beitrage zur vergleichenden Anatomie der 
Fische. II. Das Cranium der Characiniden, etc.,” * Morph. 
Jahrb.’ Bd. x, Hft. 1, Leipzig. 
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