14 
SERVICE AND REGULATORY ANNOUNCEMENTS 
Circulars. II.B.s. P.Q.CA.'s, B.P.Q.'s — Continued. Year and page 
P.Q.C.A.-314, June 22. 1931. Summary of the plant quarantine restric- 
tions of the countries of Central America 1931-75 
supplement no. 1, August 25, 1033 ~_ 3931-126 
supplement no. 2. February 17, 1933 1933-164 
supplement no. 3. September 30. 1933 Z 1933-224 
r.Q.CA.-31. r >. July 9. 1931. Plant-quarantine restrictions. Kingdom of Bel- 
gium J 1931-123 
supplement no. 1, November 24, 1933 1933-276 
supplement no. 2, December 20, 1933 1933-289 
P.Q.C.A.-316, effective July 14. 1931. Fumigation of berries with ethylene 
oxide as a condition of certification under the Japanese-beetle quaran- 
tine regulations 1931-101 
P.Q.C.A.-317, effective July 14. 1931. Fumigation of bananas in car lots 
with hydrocyanic acid as a condition of certification under the Japanese- 
beetle quarantine regulations 1931-102 
P.Q.C.A.-.n s, effective August 1, 1931. Administrative instructions. Omis- 
sion of fumigation authorized for cotton lint moved from certain counties 
in Texas and New Mexico. (Superseded by B.P.Q.-342) 1931-116 
P.Q.C.A.-319, July 22, 1931. Fumigation of narcissus bulbs with sodium 
cyanide. (Superseded by B.P.Q.-337) 1931-105 
P.Q.C.A.-320. July 29. 1931. Barberries and mahonias classified under 
black stem rust quarantine regulations 1931-92 
revised August 15, 1932 1932-52 
supplement no. 1. June 1. 1933 1933-177 
P.Q.C.A.-321, August 1, 1931. Summary of plant quarantine restrictions 
of Sweden 1931-126 
supplement no. 1, February 17. 1933 1933-164 
P.Q.C.A.-322, August 17, 1931. Supplement no. 5 to instructions on the 
disinfection of nursery products for Japanese beetles. (Supersedes 
P.Q.C.A.-293) 1931-102 
P.Q.C.A.-323, August 17, 1931. Report of distribution of bulbs imported 
under regulation 3 of quarantine no. 37, the nursery stock, plant, and 
seed quarantine, no longer required 1931-115 
P.Q.C.A.-324. September 3, 1931. Administrative instructions. Use of dis- 
infectants in hot-water treatment of narcissus bulbs 1931-105 
P.Q.C.A.-325. September 9. 1931. Administrative instructions. Early be- 
ginning of shipping period under Mexican fruit worm quarantine regula- 
tions authorized 1931-104 
P.Q.C.A.-326. effective October 28. 1931. Administrative instructions. 
Shipping season for Texas citrus fruit extended 1931-149 
P.Q.C.A.-327. November 30, 1931. Plant-quarantine restrictions of England. 
Wales, Scotland, Northern Ireland, The Channel Islands (States of 
Jersev). and the Irish Free State. (Revision of H.B.-160 and H.B.- 
169) — 1931-159 
supplement no. 1. December 20. 1933 1933-288 
P.Q.C.A.-328. effective February 5, 1932. Freezing treatment of green 
corn on the cob as a condition of certification under the European 
corn-borer quarantine regulations 1932-9 
P.Q.C.A.-329. effective March 5, 1932. Administrative instructions. Steri- 
lization of erapefruit and oranges by heat under the Mexican fruit- 
worm quarantine 1932-12 
P.Q.C.A.-330, effect ice March 5. 1932. Administrative instructions. Steri- 
lization of grapefruit and oranges by refrigeration authorized 1932-12 
P.Q.C.A.-331, effective March 25, 1932. Administrative instructions. Term- 
ination of shipping season for Texas citrus fruit 1932-13 
P.Q.C.A.-332. March 22. 1932. Narcissus inspection records for 1931 1932-14 
P.Q.C.A.-333. April 15. 1932. Supplement no. 6 to instructions to inspectors 
on the disinfection of nursery products for the Japanese and Asiatic 
beetles. (Modifies P.Q.C.A.-265) 1932-30 
P Q C.A.-334, Mav 10, 1932. Nursery stock certification under gypsy-moth 
quarantine. (Revision of H.B.-174 and H.B.-179) 1932-30 
P.Q.CA.-335, May 16. 1932. Legal data with reference to agricultural 
quarantine litigation in the courts of the United States 1932-43 
(On July 1. 1932, the Plant Quarantine and Control Administration be- 
came the Bureau of Plant Quarantine ; accordingly circulars of this 
series issued after that date were designated as B.P.Q.'s.) 
B.P.Q.-336 (a). September 12, 1932. Synopsis of white-pine blister-rust 
quarantine regulations, effective January 1, 1933. Table A. — Shipments 
from infected States 1932-59 
B.P.Q.-336 (bt. September 12. 1932. Synopsis of white-pine blister-rust 
quarant ne regulations, effective January 1. 193.",. Table B. — Shipments 
from noninfected States 1932-60 
B.P.Q.-337, July 7, 1932. Administrative instructions. Treatment and 
i>e<t suppression measures in narcissus plantings. (Supersedes P.Q.C.A.- 
217 and P.Q.C\A.-3in : supplemented by B.P.Q.-353) 1932-71 
B;P.Q.-33S, Julv 8. 1932. Administrative instructions. Narc ssus inspec- 
tion and certification. (Supplemented by B. P. 0.-353) 1932-77 
B.P.Q.— 339, August 12. 1932. Supplement no. 7 to instructions to inspec- 
tors on the disinfection of nursery products for the Japanese and Asiatic 
beetles. (Revision of P.Q.C.A.-239) 1932-64 
B P Q -340. August 20. 1932. Explanation of provisions for entry of plants 
under quarantine 37. (Supersedes F.Q.C.A.-249) 1932-82 
BPQ-341, August 20, 1932. Segregation, labeling; and uti'ization require- 
ments of plants imported under special permit for propagation. (Revision 
of P.Q.C.A.-308) 1932-86 
