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Index 



Membracidae, food for meadow- 

 lark, 432. 

 Mendelian factor h}rpothesis, 55. 

 Messor, food for meadowlark, 4.33. 

 Michael, E. L., 89. 

 Michener, J. R., 21. 

 Millipedes, food of meadowlark, 



436. 

 Milvus, 331. 



Mimus polyglottos leucopterus, 6. 

 Minot, C. S., cited, 385. 

 Mockingbird, western, 6. 

 Modifiability in leech behavior, 



295. 

 Modifications and Adaptations to 

 Function in the Feathers of 

 Cirrus Hudsonius, 329. 

 Moltschanov, L. A., cited, 206. 

 Mono-potassium phosphate, as a 



fatigue substance, 283. 

 Moore, J. P., acknowledgment of 



assistance, 199; cited, 206. 

 Moquin-Tandon, A., cited, 200. 

 Morgan, T. H., cited, 245. 

 Moths, food of meadowlark, 430, 



431. 

 Muller, H., cited, 143. 

 Mutillidae, 434, 483, 487. 

 Myrmeleon, food of meadowlark, 



436. 

 Mysis, 177. 



costata, description of, 177. 

 oculata, 177. 

 Neomysis, 177. 



franciscorum, description of, 178. 

 rayii, 178. 

 vulgaris, 177. 

 Nicotine, its effect on leech behav- 

 ior, 274. 

 Nighthawks, 12. 

 Noctuidae, 431. 

 Numenius hudsonius, 6. 

 Nyeticorax nyetieorax naevius, 5. 

 Nymphalidae, 431. 

 Observations on Isolated Living 

 Pigment Cells from the Lar- 

 vae of Amphibians, 143. 

 Oceania, 321. 



Ocellus of Polyocrhis, 311 ; pig- 

 ment, 312; lens, 312, 316; ar- 

 rangement of parts, 314; epi- 

 thelial cells, 314; pigment cells, 

 315; sensory cells, 315; 

 spindle-shaped sense cells, 

 316; multipolar cells, 318; 

 nerve ring, 319. 

 Oil-gland of Circus hudsonius, 362. 

 Onchocalanus latus, 183. 

 Onchorhynchus keta, 174. 



Operation experiments, their in- 

 fluence on leech behavior, 245. 

 Oppel, A., cited, 156, 157, 166. 

 Oriole, Bullock, 5, 6, 7, 8, 12, 18, 



19, 461. 

 Ornithology, economic, 1, 377, 381, 

 388, 389; history of methods 

 of, 389, 394; comparison of 

 methods of, 397; problems of, 

 488. 

 Orthoptera, food of meadowlark, 



429. 

 Otiorhynchidae, 427. 

 Otoeoris alpestris aetia, 5, 6, 19. 

 Owl, burrowing, 5, 6, 8, 18, 461. 

 Oxyechus vociferus, 5, 6, 19. 

 Pallene caUfomiensis, 131; de- 

 scription, 133; measurements, 

 135. 

 empusa, 135. 

 laevis, 135. 

 Parapomala calamus, 4. 

 Parasitism, problem of, in mead- 

 owlark, 477, 492. 

 Parasynaptic Stages in the Testis 

 of Aneides Liiguhris (Hallo- 

 well), 511. 

 Parental instinct, experiments on, 

 in leeches Glossiphonia stag- 

 nalis, and Hemiclepsis occiden- 

 talis, 23.5-240. 

 Parker, G. H., cited, 201, 227. 

 Passer domestieus, 5, 6, IS. 

 Passerina amoena, 5. 

 Pearl, R., cited, 216. 

 Pelobates, 59. 

 Pentatomidae, 432, 483. 

 Peridiniella, 27. 

 Peridinium, 22. 

 achromaticum, 27. 

 umbonatum, 27. 

 Pernis, 331. 

 Peters, A., cited, 158. 

 Petrochelidon lunifrons lunifrons, 



5, 6, 19. 

 Phalangidae, food of meadowlark, 



435. 

 Phoebe, black, 5, 8, 19, 461. 



Say, 457. 

 Phototaxis in leeches Ditia micro- 

 stoma and Glossiphonia stag- 

 nalis. 223. 

 Phoxichilidiidae, 133. 

 Phoxichilidium femoratum, 133. 

 Ph3'llospadix, 127, 129. 

 Physiological bases for reactions 

 ■ of leeches, 250. 



[535] 



