




1891.] The Vermilion-Spotted Newt. 1107 
descens, and expresses the belief that it never voluntarily leaves the water ; 
frequently observed it swimming with great vivacity under ice an inch thick. 
IwaKAwa, T.--'82. The Genesis of the Egg in Triton. Quart. Jour. 
Micr. Sci.,.Vol. XX. (1882), pp. 260-277. Believes fertilization of this Jap- 
anese Triton to be internal as zoosperms found in the oviduct. Female 
turns upside down in ovulating. 
JORDAN, D. S.—’80. Manual ot the Vertebrates of the Northern United 
States, Exclusive of Marine Species. Third revised edition, Chicago, 1880. 
Makes two species of the two forms, but states that they have the same 
range and the red form may be a variety or a state of the viridescens. 
JORDAN, E. O.—’g1.° The Spermatophores of Diemyctylus. Journal of 
Morphology, Vol. V., pp. 263-270. Gives an excellent account of the mating 
and the spermatophores as seen in the spring. Found zoosperms in the 
ducts of the cloacle glands of the female. 
KELLEY, H. A.—’78. Identity of Diemyctylus miniatus with D. virides- 
cens. AMER. NATURALIST, Vol. XII. (1878), p. 399. Red Diemyctylus 
obtained in the summer changed gradually to the viridescent form in the 
autumn without entering the water, but willingly remained in the water 
when there placed. 
KNAUER, FR. K.—'78. Naturgeschichte der Lurche (Amphibiologice). 
Wien, 1878. 
LATASTE, F.-—'78, '81. L’accouplement chez les Batrachian Urodéles. 
Revue Internatl. d’Science, 1878, pp. 209-214, 488-499; 1881, pp. 154- 
164. As the title indicates, the fertilization of the eggs in Urodeles is 
discussed. 
Mark, E. L.--’90. Studies on Lepidosteus. Part I. Bulletin of the 
Museum of Comparative Zoology at Harvard College, Vol. XIX.,.No. 1 
(1890). Arrives at the same general conclusion regarding combined aérial 
and aquatic respiration as that given by S. H. and S. P. Gage (’85, "86, °88). 
MILNE-Epwarps, H,—’63. Leçons sur la Physiologie et l'Anatomie 
Comparée de l'Homme et des Animaux. Tome 8, Paris, 1863. Describes 
structure, fertilization, and ovulation in Urodeles living in Europé. 
Monks, SARAH P.—’80. The Spotted Salamander. AMER. NATURALIST, 
Vol. XIV. (1880), pp. 371-374. Excellent account of the habits, etc., of 
Diemyctylus. Observed the change from the red to the viridescent form ; 
believed, but unable to prove, that the red form was a young stage of the 
viridescent. 
Owen, RICHARD.—’66. On the Anatomy of Vertebrates. Vol. I., Fishes 
and Reptiles. ` 
PFITZNER, W.—'80. Die Epidermis der Amphibien. I., Untersuchungen 
tber Bau und Entwicklung der Epidermis des geflecten Salamanders. 
Morph. Jahrb., Bd. VI., (1880), pp. 469-526. Discusses the seat of color in 
the skin of salamanders and the breeding habits of the Salamandra, 

