518 



INDEX. 



Diemyctylus, 354. 



miniatus, 1(K), 354. 

 food of, 356. 



var, miniatus, 354, 355, 350. 

 var. viridescens, 355, 356. 

 viridescens, 190. 

 Difflugia, 184. 

 diffusa, Hemiptycha, 421. 

 Digaster, 61. 

 digitata, Dero, 182. 

 dilatatum, J^]thalion, 478. 

 dimidiata, Tragopa, 393. 

 diminuta, Aphrophora, 494. 

 Dineutes, 165. 

 assimllas, 166. 

 food of, 166. 

 Diplocardia, 53, 55, 60, 61, 62, 63, 64, 

 74. 

 communis, on the Anatomy and 

 Histology of. 47 77. 

 alimentary canal, 51. 

 characters of the genus, 47. 

 clitellum, 49. 

 dissepiments, 51. 

 dorsal pores, 49. 

 form and exterior, 48. 

 genital organs, 55. 



external apertures of, 50. 

 nephridia. 59. 

 nervous system, 58. 

 notes on the histology of, 



63. 

 remarks on the species, 



60-63. 

 setae, 49. 



vascular system, 53. 

 Diptera, 155. 



as food of toads, 339. 

 discalis, Horiola, 393. 

 discoidalis, Atymna,436 (See Errata, 

 481). 

 Gargara, 436. 

 discoides, Arcella, 184. 

 dispar, Darnis, 479. 

 Kntilia, 179. 

 Parmula, 479. 

 Dogfish, 145, 146. 



dohrni, Tragopa, 393. 

 doliata, Coronella, 299. 

 doliatus, Coluber, 299. 



Ophibolus, 293, 295, 296, 299. 

 dolomieu, Micropterus, 139. 

 Dorosoma cepedianum, 141. 

 dorsalis, Acutalis, 428, 479. 



Polyglypta, 394, 395, 479, 



Tragopa, 428. 



Tropidonotus, 266. 

 dorsatum, Liobunum, 82, 83, 87. 



Phalangium, 83. 

 Dragon-flies, 175. 



eggs of, 176. 

 Dryophanta, 198. 



lanata, 19«, 200. 

 Ducks, young, as food of frogs. 329. 

 12-punctatus, Cnemidotus, 162. 



Haliplus, 162. 

 durissus, Crotalus, 311. 

 Dusky Salamander, 358. 



eggs of, 359. 

 Dytiscidfe, 161, 1()3, 166. 



eggs of, 163. 



food habits of, 163. 

 Dytlscus, interrogatus, 164. 



E 



Earle Parker, 87. 



Earthworm (Diplocardia communis, 

 gen. et sp. nov.), On the 

 Anatomy and Histology of 

 a New, 47-77. See under 

 Diplocardia communis, 

 of the Family Phreoryctidae, On 

 an American, 1(>7 117. 

 bibliography. 114. 

 description. 108. 

 intestinal parasites, 114. 

 Eaton, A. E.. A Hevisional Mono- 

 graph of Recent Ephenieridse 

 cit^d, isi. 

 Ecaudata, 317. 

 Eft, 354. 



food of, 356. 

 Red, 354. 



