INDEX-CATALOGUE OF MEDICAL AND VETERINARY ZOOLOGY. 1669 
[Pearce, Thomas. J 
[n. d.]. — The dog, with complete directions for his treatment; and notices of the 
best dogs of the day and their breeders or exhibitors. By historic 5. ed., 
vii + 258 pp., 12 pis. 8°. London, Paris A: New York. [W m .] 
Pearl, Raymond. [Ph. D., Univ. Pennsylvania, Pa.] 
1900 a. — On the reactions of certain Infusoria to the electric current. (Studies 
on electrotaxis. 1) <Am. J. Physiol., Bost., v. 4 (3), July 1, pp. 96-123, figs. 
1-7. [W* VY m , W e .] 
1903 a. — Planarians <J. Applied Micr., Rochester, v. 6 (6), June, pp. 2360- 
2362. [W a , W m , W c .] 
1903 b. — The movements and reactions of freshwater planarians: A study in 
animal behavior <Quart. J. Micr. Sc, Lond. (184), n. s., v. 46 (4), Feb., pp. 
509-741, figs. 1-49. [W a , W m , W .] 
1904 a.— Idem. [Abstract bv E. Bresslau] <Zool. Centralbl., Leipz., v. 11 (11- 
12), 28. Juni, pp. 367-368. [W a W 8 .] 
1906 a. — A biometrical study of conjugation in Paramecium. [Secretary's abstract 
of paper read Dec. 7, 1905] Proc Row Soc. Lond. (B 518), B s., v. 77, 
Mar. 27, pp. 377-383. [W a , \Y m , W c .] 
1906 b.— Idem. [Abstract] <J. Roy. Micr. Soc, Lond. (5), Oct., p. 557. [W a , 
W m , \V C .] 
1907 a. — A biometrical study of conjugation in Paramecium <Biometrika, Cam- 
bridge, v. 5 (3), Feb. 6, pp. 213-297, fig. 1. [W m .] 
Pearse, A. [Major, Royal Army Med. Corps.] 
1904 a. — Disease of the arm and hand in a native <J. Roy. Army Med. Corps, 
Lond., v. 2 (5), May, pp. 595-597, 1 pi. [\Y m .] 
Pearse, A. S. 
1905 a. — Contributions to the copepod fauna of Nebraska and other states. 
[Reprint of 1906 a] <Studies Zool. Lab., Univ. Nebr., Lincoln (65), Dec. 20, 
pp. 145-160, pis. 13-17, figs. 1-42. [Lib. Stiles.] 
(1906 a).— Idem <Tr. Am. Micr. Soc, pp. 145-160. 
Pearse, [Thomas] Frederick. [F. R. C. S., Eng. ; Special Plague Med. Officer, Govt. 
Bengal. ] 
1902 a. — Mosquitos and malaria. A popular account of the mosquito together 
with a brief explanation of its role in the dissemination of malaria. 3 p. 1., 
46 pp., 22 figs. 12°. Calcutta. [\Y C .] 
1903 a.— Idem. [Abstract] <Lancet, Lond. (4144), v. 164, v. 1 (5), Jan. 31, p. 
317. [W tt , W m , W e .] 
1903 b.— Idem. [Abstract of 1902 a] <Brit. M. J., Lond. (2237), v. 2, Nov. 14, 
p. 1281. [W a , W m .] 
Pearson, C. Yelverton. [M. D., Senior Demonstrator & Lecturer on Anatomy, 
Queen's College, Cork.] 
1883 a. — A case of tapeworm, with remarks on the treatment <Dublin J. M. 
Sc, v. 75, 3. s. (137), May 1, pp. 433-436, 1 pi. [W m .] 
Pearson, Joseph. 
1904 a.— A rare copepod <Irish Naturalist, Dubl., v. 13 (2), Feb., p. 43. [W a , 
W c . ] 
1904 b.— New Irish copepods <Ibidem (4), Apr., p. 93. [W* W .] 
Pearson, Karl. 
1902 a. — Note on Dr. Simpson's memoir on Paramcecium caudatum <Biometrika, 
Cambridge, v. 1 (4), Aug., pp. 404-407. [\Y m .] [See Simpson, J. Y., 1902, pp. 
400-404.] 
Pearson, Leonard. [State Vet., Penn.] 
1897 a.— Pt. 1: Diseases of poultry. 116 pp., figs., pis. 4°. [Harrisburg.] 
[W c .] 
Pearson, Leonard; & VYarren, B. H. [M. D., State Zoologist]. 
1896 a. — Diseases and enemies of poultry <"Bull. 17, Pennsylvania Dept, Agric 
[Harrisb.], 128pp., figs., pis. [W a .] 
1898 a.— Idem. Legislative reprint <Ibidem, 128 pp., figs., pis. [W a .] 
50334— No. 39. pt. 22—09 4 
