IV BUREAU OF ANIMAL INDUSTRY. 
centT 21 ' ^^ 1575 - 1624 - Authors ° to Ozzard. Issued July 8, 1908. Price 10 
PrfcT'llcenS 68 1625 - 1718 - Authors P *> Pfeilsticker. Issued February 13, 1909. 
PrFce\f cemf 8 1719 ~ 1805 - Authora ^nder to Qvortrup. Issued February 16, 1909. 
lO^ents 24 ' ^^ 1807 - 1893 - Auth(,rs R to Rizzo. Issued October 9, 1909. Price 
29 P ^ 25, ^S 8 _ 1 c^te 979 "" AUth0rB R ° aCk t0 V ° n RzewuskL Issued November 
cento* 26 ' PagGS 1981_207G -— Authors S t0 Schnyder. Issued June 2, 1910. Price — 
Part 27, pages 2077-2168.— Authors Schoch to Silvestrini. Issued July 5, 1910. 
Part 28, pages 2169-2250.— Authors Sim to von Stenitzer. Issued July 16 1910. 
XxICaJ C"I1LS. 
Part 29, pages 2251-2326. -Authors Stenroos to Szymanski. Issued July 25, 1910. 
■tilt" 1-\3Ij.LS. 
Part 30, pages 2327-2386.— Authors T to Thon. Issued , 1910. Price — 
cents. 
SUBJECT INDEX. 
Trematoda and trematode diseases <Bull. 37, Hyg. Lab , U S Pub Health A 
Mar.-Hosp. Serv., Wash., June, 1908, 401 pp. [W», \K] 
