INDEX. 



447 



Pezaid, 32 



Pfeiffer, R., and G. Bessau, Bacteria of 



Gas Gangrene, 391 

 Phagocafa gracilis, 385 

 Phagocytosis by Osteoclasts. ISo 

 Phaseoltis vulgaris, Embryogeny of, tJl 

 Phegopteris, Apogamy in, 67 



— polypodoides, 67 



Phellia. Four New Species of, 387 

 Pheretima. Lymph-ulands of, 382 



— Cffilomic Fluid of, 3s2 

 Pheretima posthuma, 390 



Coelomic 1 'onches of, 383 



Philosamia (Aitacus) ricini (Boisd.), 191 



— cyntliia (Drury), 191 

 Phlegm necrosis, 85 

 Phoma Betx, 86, 87 



— mali, 81 



Photomicrographs in Colour, 229 

 Photomicrography, Telescopic Focussing 



Apparatus for, 400 

 Phreatoicus, Fossil Species of, 381 



— ivianamattensis sp. u., 381 

 Phthirus pubis, 49 



Biology of, 378 



Pathological Effects of, 304 



Phycomycete, New, 79 



Phylhichora Boystoneai : a Disease of Pioyal 



Palm, 226 

 Phyllosticta citricola, 82 



— pirina, 81 



Physagiriua, Experiments with, 45 

 Phyto melanocephala, 192 

 Phytophthora. DovelopmL-nt of, 325 



— erythrofeptica Pethyb., Morphology and 



Cytology of the Sexual Organs of. 217 



— infedaiis, 79 



Phytupl.inkton, Caledonian, 213 

 Phytophthora Faberi, S3 



Pictet, Arnold, Dimorphic Colouring in 



Lepidoptera, 374 

 Piemeisel, P. L., 220 



— F. J., 219 

 Pierce, K. G., 226 



Piercy, Alma, Structure and Mode of Life 



of Rormidium flaccidum, 72 

 Pieris brassicas. 47, 314 

 Pig. Thyroid Follicles of, 292 



— Ultimobranchial Bodies in, 292 

 Pig's Liver, I .obules of, 298 

 Pigeons (Fantail), Inheritance in, 181 



— Right and Left Testes of, 363 

 Pigments and Paints, Optical Properties 



of Colour of. 4ul 

 Pimis ponderosa, Disease of Seedlings of. 



81 

 Plagiochasma, 212 

 Plaice, Otolith-method of Estimating Age 



of Plaice, 300 

 Plaice and Flounders, Piings in Scales of. 



300 

 Planaria maculata, 385 

 .^ Regeneration in, 309 



Planaria. New Species of, 386 

 Plankton, Antarctic, 214 

 Plant-cells, Mitochcndrias of, 204 



— Plaslids of, 204 



Plant Diseases, Description and Treat- 

 ment of, 329 

 Plants, DiscHses of, 223, 329 



— Injection Experiments on, 207 



— Mechanism of Overgrowth in, 207 



— Rate of Conduction of Injected Fluid, 



207 

 Platanus, North American, Characters of 



Words of, 205 

 Platanus occidentalis, 205 



— racemosa, 205 



— Wrightii, 205 

 Plalylambrus quemns s]k n., 19t) 

 Plectonema radiosum, 324 

 Plendomus fascomaculans, 80 

 Pleodorina ilUnoiensis, 73 



Plimmer, Henry George, Death of, 349 

 Plough, Harold H., Temperature and 



Crossing-over in Drosojihila, 303 

 Plums. Resistance to Brown-rot, 87 

 Plumularids, 387 

 Pocock, R. I., Baculum or Os penis in 



some Genera of Mustelidse, 300 

 Podon, 370 

 Pollaci, Gino, 81 

 Pollard, F. J. S., 303 

 Polychset, Dimorphism in a, 58 

 Polychsets, Monograph on, 383 

 Polycirrus areiiivorus, 380 



— uurardiacus, 380 

 Polykaryocytes, 367 

 Polypodium punctatum, 209 

 Polyporus, 328 



— hirsutus, 329 



— lucidus, 88 



— versicolor, 329 

 Polystomidaj, 384 

 PoJyxenus burmiticus sp. n., 45 

 Pond-1 jfe Exhibition. 245 

 Pool, V. W., Phoma Be.tx, 86 

 Pool, Venus W., 226 



— Infection by Cercospora beticola, 80 



— and M. B. McKay, Climatic Conditions 



and Conidial Development, 221 

 Poratophilus, 195 

 Porcellio scaber, 192 

 Porites f areata, 200 



— incrustans. 60 

 Porocephalus nematoides, 306 

 Porphyra laciniata, 324 



Porter, Lilian, Attachment Organs of 



Corticolous Ramalinx, 88 

 Posey, G. B., 327 

 Post-cestrous Changes in Dog, 36 

 Potato-leaf Curl, 329 

 Potato-tubers, Parasite on, 86 

 Potatoes, Dry-rot of, 329 

 Potter. Alden A., and G. W. Coons 



LTstilaginero, 210 



2 H 2 



