46 



* 104. T. G. Gentry. Observations ^on Formica -flava, 

 and inferences deducted therefrom, p. 63-67. 



Neuters killing the young and helpless ants, as it is supposed, to preserve 

 them from captivity and a life of servitude. 



* lOo. Nature, vol. ix, from p. 177, and vol. x, contains 

 the following, and Nos. 106, 107. 



Vol. ix : a. Notice of the " North American Bee-keepers' Society," p. 

 193. b. A swarm of epheraerids (by T. G. Gentry), p. 196. c. Structure 

 and action of striated muscular fibre in Gyrinus (by Dr. Thomas Dwi^ht), 

 p. 19(5. d. Synonymy of some N. A. species of Apatura (by A. G. But- 

 ler), pp. 255, 335. e. Notice of Packard's Insects of the Garden, p. 332. 

 f. Means against Doryphora decemlineata, p. 354-355. g. Insects collected 

 on the " Polaris" Arctic Expedition, p. 405. h. Fertilization of Yucca by 

 Pronuba yuccasella (by T. Median), p. 436. i. Notice of Packard's Our 

 Common Insects, p. 498-499. 



Vol. x : j. Native beetles attacking foreign trees at Philadelphia in pre- 

 ference to native trees; do Longicorns attack healthy trees? (by G. H. 

 Horn), k. Notice of Psyche, No. 1, p. 295. /. Ravages of grasshoppers 

 in Minnesota, p. 3 44. m. Habits of Pseudomyrma bicolor, p. 402. n. Cave 

 insects of Kentucky, p. 441. 



* 106. Alfred R. Wallace. Belt's "Naturalist in Nic- 

 aragua." ix, p. 218-221. 



Mimicry and display as means of protection; habits of Occodoma sp. ; re- 

 lations between insects and plants. 



* 107. C. V. Riley. Pitcher-Plant Insects, x, p. 463-465, 

 fig. 1-2. 



Habits and figures of all stages of Xanthoplera semicrocea and Sarco- 

 phac/a sarraceniue. 



* 108. The Third Annual Report of the Secretary of 

 the State Pomological Society of Michigan. 1873. By 



Authority. Lansing, 1874, contains the following, and Nos. 109 

 to 115. 



a. Need of a State Entomologist, p. 9; appointment of Prof. A. J. Cook 

 as the one, p. 353. b. Peach-tree insects, pp. 33, 197-198, 288; orchard in- 

 sects, pp. 97, 222, 258, 278, 280, 281, 356-357, 361-362, 365-366, 368, 370, 

 491-492; Curpocapsa pomonella, pp. 198,252,297,331,350-351,366-368, 

 371-372; means against them. c. Fertilization of flowers by insects (by 

 W. G. Beal), p. 58-59. d. Birds and insects, ami their relation to fruit- 

 growing (by A. J. Cook), p. 25 7. e. Lytta cinerea attacks Gleditsckia triac- 

 anthus ; Clytus robiniae does not, p. 514. 



* 109. B. Hathaway. The Codling Moth. p. 80-83. 

 Habits of Carpocapsa pomonella ; means against it. 



