Selection and Breeding --Continued. 



647. VOELCKER, O. J. Initial cacao selection in 

 Nigeria. Nigeria Agr. Dept. B. 11:45-54. Ref. 1936. 

 24 N563B 



648. VOELCKER, O. J. A review of cacao selection in 

 the Cameroons. Trop. Agr. fTrinidad] 17:223-225. Dec. 

 1940. 26 T754 



Based on records of E. Mylord, manager of 

 Westafrikanische Pflanzungs-Gesellschaft "Victoria." 



649. WELLENSIEK, S. J. De erfelijkheid van 

 zaadlobkleur bij cacao als basis voor qualiteits-selectie 

 (with a summary: The genetics of cotyledon-colour in 

 cocoa as a basis for quality-selection). Arch. v. 

 Koffiecult. Nederland. Indie 5:217-233. Ref. Nov. 1931. 

 68.28 Ar2 



650. WELLENSIEK, S. J. Een nieuwe selectie- 

 richting in Cacao, gebaseerd op de erfelijkheid van 

 zaadlobkleur. Bergcultures 5:960-962. Aug. 29, 1931 

 22.5 B45 



651. WELLENSIEK, S. J., and HAAN, J. T. DE. 

 Ondersoekingen over cacao-selectie in 1930 and 1931. 

 Arch. v. Koffiecult. Nederland. Indie 6:103-145. Ref. 

 Sept. 1932. 68.28 Ar2 



English summary. 

 In Central Java. 



652. WELLENSIEK, S. J. De ontwikkeling van de 

 cacao-selectie in 1931. Bergcultures 6:697-698. July 2 

 1932. 22.5 B45 



Selection work in Java. 



653. WEST, J. The development of cacao selection in 

 Nigeria. West African Agr. Conf. 3(1, Nigeria):267-276. 

 Ref. 1938. 27 W52 



Discusses selection for yield and for quality. 



654. WEST, J. The development of cacao selection in 

 Nigeria. Cocoa Res. Conf. Rpt. & Proc. 1945:124-128. 

 Ref. 1945. 68.39 C64 



Morphology and Physiology 



655. BILLES, D. J. Pollination of Theobroma cacao 

 L. in Trinidad, B. W. I. Trop. Agr. [Trinidad] 18:151- 

 156. Ref. Aug. 1941. 26 T754 



Abridged Spanish translation in Hacienda 37:70-71, 

 Feb. 1942. 6 Hll 



656. BONDAR, G. As raizes do cacaueiro. Bahia 

 Rur. 3:1163-1164. May/June 1936. 9.2 B142 



Morphology and physiology of cacao roots. 



657. CABRERA, L. Shade and the concentration of 

 stomata in the cacao plant. (Summary). Cacao Inform. B. 

 l(22):6-7. Aug. 1949. 



658. CARLETTO, G. M. Morfologia dos cromosomios 

 de Theogroma leiocarpa. Brasil. Mus. Nac. Nov. S6r. 

 Bot. 9, 5 p., illus. Ref. May 28, 1948. 516 R47Bb 



659. CARLETTO, G. M. O numero de cromosomios 

 em cacaueiros. Inst, de Cacau da Bahia. B. T&c. 6:32-43, 

 illus. Ref. 1946. 68.39 B14B 



English summary. 



660. CARLETTO, G. M. A polinizacSo controlada na 

 flor do cacaueiro. Inst, de Cacau da Bahia. B. T6c. 6:5- 

 30, illus. Ref. 1946. 68.39 B14B 



661. CHEESMAN, E. E. The economic botany of 

 cacao. A critical survey of the literature to the end of 

 1930. Trop. Agr. [Trinidad] 9(6, sup.), 16 p. Ref., p. 15- 

 16. June 1932. 26 T754 



Abstract in Hort. Abs. 2:116-117, Sept. 1932. 



662. CHEESMAN, E. E. Fertilization and embryogeny 

 in Theobroma cacao, L. Ann. Bot. 41:107-126, illus. Ref. 

 Jan. 1927. 450 An7 



663. CONTRERAS CASTILLO, M. Relaci6n vital entre 

 hojas y rafces del cacao. Dominican Repub. Sec. de 

 Estado de Agr. Pecuaria y Colon. Agr. 39(179):16, 18. 

 July/ Aug. 1948. 8 R323 



664. COOK, O. F. Branching and flowering habits of 

 cacao and patashte. U. S. Natl. Mus. Contrib. U. S. Natl. 

 Herb. 17:609-625, illus. Ref. 1916. 450 C76 



665. COOPER, ST. G. C. A note on the maturation 

 period of cacao pods in Grenada. Trop. Agr. [Trinidad] 

 17:165. Sept. 1940. 26 T754 



666. COPE, F. W. Agents of pollination in cacao. 

 Imp. Col. Trop. Agr. [Trinidad] Cacao Res. Ann. Rpt. 

 (1939)9:13-19. Ref. 1940. 68.39 CU 



667. COPE, F. W. Compatibility and fruit setting in 

 cacao. Imp. Col. Trop. Agr. [Trinidad] Cacao Res. Ann. 

 Rpt. (1938) 8:17-20. Ref. 1939. 68.39 Cll 



668. COPE, F. W. A note on the range of compati- 

 bility in cacao. Imp. Col. Trop. Agr. [Trinidad] Cacao 

 Res. Ann. Rpt. (1938) 8:16-17. Ref. 1939. 68.39 Cll 



Morphology and Physiology - -Continued. 



669. COPE, F. W. Studies in the mechanism of self- 

 incompatibility in cacao. Imp. Col. Trop. Agr. [Trinidad] 

 Cacao Res. Ann. Rpt. (1938) 8:20-21; (1939) 9:19-23, 

 illus. Ref. 1939-40. 68.39 Cll 



670. DADE, H. A. Origin and spiral arrangement of 

 cushions in cacao. Gold Coast Dept. Agr. B. 16:147-150, 

 illus. 1929. 24 G56B 



671. DAVIE, J. H. Cytological studies in the 

 Malvaceae and certain related families. J. Genet. 28:33- 

 67, illus. Oct. 1933. 442.8 J823 



Includes comparisons with chromosomes of Theobroma. 



672. DEJEAN, M. Flowering habits of cacao. 

 (Summary). Cacao Inform. B. l(13):l-3; (14 :3-4. Nov.- 

 Dec. 1948. 68.38 Cll 



Second installment has title: Flowering and setting of 

 cacao. 



673. EVANS, H. Results of some experiments on the 

 preservation of cacao seed in viable condition. Trop. 

 Agr. fTrinidad] 27:48-55, illus. Ref. Jan./Mar. 1950. 

 26 T754 



Experiments on storage of pods and of seed removed 

 from the pods in various packing media and with varying 

 air supply and moisture content. 



674. FREEMAN, W. E. The inter-relation between 

 pigment and pod morphology in cacao. Imp. Col. Trop. 

 Agr. [Trinidad] Cacao Res. Ann. Rpt. (1933)3:33. Ref. 

 1934. 68.39 Cll 



Abstract of dissertation. 



675. GAZET DU CHATELIER, G. Sur des particu- 

 larit^s cytologiques des sterculiac6es. Rev. de Cytol. et 

 de Cytophysiol. V4g. 4:1-79, illus. Ref. 1939. 



450 R3213 



Deals chiefly with cytological studies of Sterculia ,- 



platanifolia, Dombeya spectabilis, and Thomasia 

 solanacea. 



676. GOODALL, D. W. Diurnal changes in the area of 

 cacao leaves. Ann. Bot [London] (n. s.) 11:449-451. Oct. 

 1947. 450 An7 



677. GOODALL, D. W. A quantitative study of the 

 early development of the seedling of cacao (Theobroma 

 cacao). Ann. Bot. [London] (n. s.) 13:1-21. Ref. Jan. 

 1949. 450 An7 



677a. GREENWOOD, M., and POSNETTE, A. F. The 

 growth flushes of cacao. J. Hort. Sci. 25:164-174. Ref. 

 Apr. 1950. 80 J825 



678. GREENWOOD, M., and POSNETTE, A. F. 



A morphological change induced in leaves of Theobroma 

 cacao by mineral deficiency. Nature [London] 159:542- , 

 544, illus. Apr. 19, 1947. 472 N21 



679. HAIGH, J. C. Cacao pollination. Trop. Agr. 

 [Trinidad] 8:39. Feb. 1931. 26 T754 



Reports pollen germination tests carried out on two 

 trees at the Peradeniya Experiment Station, Ceylon. 



680. HAKANSSON, A. Some observations on the seed 

 development in Ecuadorian cacao. Hereditas 33:526-538, 

 illus. 1947. Ref. 442.8 H42 



Based on laboratory study, at Institute of Genetics, 

 Lund, Sweden, of material from Clementina Hacienda, 

 near Babahoyo, Ecuador. 



681. HARDY, F., MCDONALD, J. A., and 

 RODRIGUEZ, G. Leaf analysis as a means of diagnosing 

 nutrient requirements of tropical orchard crops. J. Agr. 

 Sci. 25:610-627. Ref. Oct. 1935. 10 J822 



Studies and contracts requirements of cacao and 

 grapefruit. 



682. HARLAND, S. C, and PARGA, R. G. The habit 

 of budded cacao. Trop. Agr. [Trinidad] 1:132-133. 

 Sept. 1924. 26 T754 



Branching habit. 



683. HARLAND, S. C. Some botanical problems of 

 cacao. Agr. Soc. Trinidad & Tobago. Proc. 25:5-10. 

 Jan. 1925. 8 T73 



Reprinted in Trop. Agr. [Trinidad] 2:65-66. Mar. 1925. 

 26 T754 



French version in Rev. de Bot. Appl. de d'Agr. Colon. 

 5:373-376, May 1925. 26 R323 



Studies in methods of pollination and variability in 

 setting capacity of individual trees. 



684. HARLAND, S. C. Studies in cacao I. The 

 method of pollination. Ann. Appl. Biol. 12:403-409. 'Ref. 

 Nov. 1925. 442.8 An72 



Reports experiments supplementing those reported in 

 the preceding paper. 



685. HARLAND, S. C. Studies in cacao— the method 

 of pollination. West Indian Agr. Conf. Proc. (1924) 9:61- 

 66. 1925. 5 W52 



Discussion, p. 66-69. 



21 



