BliUenbioloeische I.itt^ratiir. 5 



2954. Cheeseman, T. F., Notice of the P^stablishement of Vallisneria apiralis 

 in Lake Takapuna, together with soine Remarks on its Lifehistory. Trans. Pioc. 

 New Zealand Inst. XXI\. 1897. p. 386-390. 

 .,.,. — On the Occurence of Ottelia in N-"- /.''.".! Tran«. IV'"- \'"«- 7oalanH. 



Instit. XXXI. 1899. p. 350-351. 

 •äG. Clute, W. N., Nature and the ürounit-Nut, .Asa iiray Bull. I>y4. :>. 4. p. 3—4. 

 1895. N. 3. p. 5. — Ref.: B. Jb. 1896. I. p. 126. (.\pio8 tuberosu.) 



2957. Cockayne, L., Description of New Species of Astelia, Veronica and Cel- 

 raisia. Trans. Proc. New Zealand Instit. XXXI. 1S99. p. 419-424. (Fliegen- 

 l»esuch an Astelia.) 



(Jockerell, T. D. A.. The Bees of the Uuuus iVriiita F. Smith. Proc. Acad. 

 Natur. Sei. Philadelphia. 1896. p. 25—107. (Zahlreiche Blumenbeauche.] — Ref.: 

 b. .Tb. 1896. I. p. 126 - 127. 

 '•59. — Notes on New Mexican flowers and their insect visitors. Bot. Gaz. XXIV. 

 (1897). p. 104-107. — Ref.: B. Jb. 1897. I. p. 8. 



2960. — New and little-known North American Bee«. Proc. Acad. Nat. Sei. Phil- 

 adelphia 1897. p. 334— 355. [Besuche anRubus ursinus. Lupinus, Lyciam 

 torreyi, Syringa, Oleome serrulata, Dithyrea wislizeni, Grindelia 

 squarrosa, Sphaeralcea an gustifolia, Fragaria, Salix, Sida he- 

 deracea, Baileya multiradiata, Larrea.] 

 "31. — The Insect visitors of Flowers in New Mexico. Zoologist. 4. Ser. 1898. 

 p. 78-81. (I); p. 311-314 (II.) - Ref.: B. Jb. 1898. II. p. 394-395. 



2962. — New and little-known Bees from Washington State. Proc. Acad. Nat. Sei. 

 Philadelphia 1898. p. 50 — 56. [Besuche an Rubus ursinas, Potentilla pa- 

 lustris. Syringa, Lupinu8.| 



2963. — Notes on some Southwestern Plauts. Bull. Torrey Botan. Club. Vol. XXVII. 

 1900. p. 87 — 89. [Biumenbesucher an Verbena Macdougali.] 



'64. — The Cactus bees; genus Lithurgus. American Naturalist. Vol. XXXIV. 1900. 



N. 402. p. 487-488. 

 - '65. — A new bee from California. Entomol. News. Vol. 12. (1901). p. 74. Zeitsch. 



f. syst. Hymenopt. u. Dipterol. I. (1901). p. 80. [Anthrena Knutbiana an Daucus 



carota.] 

 '66. — Flowers and Insecta in New Mexico. Amer. Nat. XXXVI. (1902j. p. 809 



-817. 

 . '67. Cockerell, T. D. A. and Wm. J. Fox, New fossorial Hyraenoptera from New 



Mexico. Proc. Acad. Nat. Sei. Philadelphia .1897. p. 135—140. [Besuche an 



Chilopsis saligna, bigelovia wrightii.] 

 •68. Cohen, P. W., On the Abundance of Vanessa itea in Wellington during Season 



1894. Trans. Proc. New Zealand Instit. XXVII. 1895. p. ?8I. [Blumenbesuch.] 



2969. Coker, W. C, On the prothallus of Taxodium distichum. (Abstr.) Bot. 

 Gaz. XXIX. 1900. p. 140. 



2970. — Notes on the Gametophyte and Embryo of Po docarp US. Bot. Gaz. XXXIII. 

 (1902). p. 89—107. 



2971. Cole, Miss Emma J., Cleistogamous Flowers on Solea concolor. Asa Gray 

 Bull. VI. 1898. p. 50. — Ref. Bot. Jahresb. 1898. II. p. 396. 



2972. Coleman, N., Plantago lanceolata L. Bot. Gaz. I. 1876. p. 45. 



2973. Conn, Herbert W., The Method of Evolution: a Review of the present Alti- 

 tude of Science toward the Question of the Laws and Forces which have brought 

 about the Origin of Species. New York 1900. 



2974. Conrad. Abram H., A contribution to the life history of Q u e r c u s. Bot. Gaz. 

 XXIX. 1900. p. 408—418. 



2975. Cook, A. J., The Tongue of the Honey Bee. Americ. Natur. XIV. 1880. p. 

 271—280. 



