484 



Pearl, Raymond & Clawsou, A. B. P. hyalinus 



Pearl, Kuyiuoud & Clawson, A. B. Variation and 

 Correlation in tlie Crayfisla, with special 

 reference to the Influence of Differentiation 

 and Homology of Parts XVIII 371. XIX 

 302, 342. 

 Pearl, Roymonrt & Mac Theters, Lottie B. A Note 

 on certain Bionietrical Computations XXII 

 455. 

 Pearl, Raymond & Pearl, Maud Dewitt Data on 

 Variation in tlie Comb of tlie Domestic Fowl 

 XIX 188, 341. 

 Pearl, Raymond, Pepper, Olive M. «St flaglo, Flo- 

 rence J. Variation and Differentiation in 

 Ceratophyllum XIX 292. 

 Pearl, Raymond & Surface, Frank M. Selection 

 Index Numbers and use in Breeding XVIII 

 33. XIX 188, 344. 

 Apparate u. Metlroden, die bei experimenteller 

 Untersuch, über Vererbung b. Geflügel ge- 

 braucht werden XVIII 33. XIX 188, 399. 

 Results Biometrical Study Egg Production 



Gallus XVIII 900. 

 Resection and End-to-End Anastomosis ovi- 

 duct Hen XVIII 109. 

 The Nature of the Stimulus wMch Causes a 

 Bhell to be Formed on a Bird's Egg XIX 

 162, 355. 

 Data on the Inheritance of Fecundity etc. 



XIX 167. XXI 39. 

 The Inheritance of Egg-producing Ability 

 (Fecundity) in the Domestic Fowl XIX 188, 

 297, 355. 

 Poultry Notes XIX 189. XXI 331, 447. 

 Further Data regarding the Sex-limited 

 Inheritance of the Barred Color Pattern in 

 Poultry XIX 300. XXI 39. 

 Some Results of a Study of Inheritance of 



Barring in Poultry XXI 39, 162. 

 On the Inheritance of the Barred Color 



Pathern in Poultry XXI 39, 162. 

 Experiments in Breeding Sweet Corn XXI 162. 

 Studies on Hybrid Poultry XXI 162. XXII 



329. 

 Data on certain factors influencing the ferti- 

 lity and Catching of eggs XXI 195, 225. 

 A Biometrical Study of Egg Production in 



the Domestic Fowl XXII 329. 

 Is there a cumulative Effect of Selection? 

 XXII 457. 

 Pearl, Raymond, Surîace, Frank BL & Curtis, 

 Mavnle R. Poultry Disease and their Treat- 

 ment XXII 23. 

 Prarless, 8. H. Snakes of Badulla XIX 155. 

 Pearsali, Richard P. New Geometridae and Notes 

 XIX 49. 

 Two Submerged Species of Geometridae XIX 



49. 

 Stamnodes XIX 52. 



Some Hülst Types of Geometridae at Washing- 

 ton XX 332. 

 Graefia n. g. XX 334. 

 Stamnodes zeckeri n. XX 335. 

 Geometridae as yet Undescribed XXII 178. 

 Eupithecias that appear to be undescribed 



XXII 180. 

 Pero grossbecld n. XXII 180. 

 Pearse, A. S. Observations on the Behavior of 

 tlie Holothurian, Thyone briareus XVIII 68. 

 Observations on Copulation Among Craw- 

 fishes with Special Reference to Sex Re- 

 cognition XVIII 371. 

 The Reactions of Amphibians to làght XIX 



142, 334, 372. XX 446. XXI 194. 

 A Prelim. Eist of the Crustac. of Michigan 



XX 142. 

 Tlie Crawfishes of Michigan XX 155. 

 Behavior of Certain Arthropods in Relation 



to Color Environment XXII 22. 

 H.abits Thalassina anomala XXII 37. 

 Concerning the Development of Frog tadpole 

 in Sea W.vter XXII 286. 



Pearson, Joseph Memoir' on Cancer XVIII 149. 

 Littoral Marine fauna XX 66. 

 Marine fauna Mergui Archipelago XX 66. 

 The Colombo Museum XXII 477. 

 Pearson, Karl Ancestral Gametic Correlations 

 XVIII 33. 

 Theory of Ancestral Contributions in Heredity 



XVIII 33. 

 A Biometrie Study of the Red Blood Corpus- 

 cles of tlie Common Tadpole (Rana tempo- 

 raria) from the Measurements of Ernst 

 Warren XIX 147, 466. 

 Note on the Skin-Colour of the Crosses between 



Negro and White XIX 256, 297, 349. 

 Darwinism, Biometry and Some Recent Bio- 

 logy XXII 435. 

 On the Effect of a Differential fertility on 



Degeneracy XXII 435. 

 On the General Theory of Influence of Selec- 

 tion on Correlation and Variation XXII 440. 

 Note on the Separate Inheritance of Quantity 



and Quality in Cow's Milk XXII 442. 

 Remarks on Prof. Lloyds Notes on Inlieritance 



of fertility XXII 446. 

 Further Remarks on the Lew of Ancestral 



Heredity XXII 447. 

 On a New Method of Determining Correlation 



etc. XXII 454. 

 On the Probability that two Independent 

 Distribution of Frequency are scally Sample, 

 from the Same Population XXII 455. 

 On the Correlation to be made to the Corre- 

 lation Ratio XXII 455. 

 s. Cook, O. F. XVIII 32. 

 Pearson, Karl, Nettleship, E. & Usher, C. H. 

 A Monograph an Albinism in Man XXII 

 405. 

 Peaslee, Leon D. Studies on Phagocata gracilis 



XX 117. XXI 186, 280. 

 Peche, K. Das Schneiden uneingebetteter botan. 



Objekte XXII 470. 

 Peck, C. Ì. The Overbrock grackle Roost 



(Quiscalus) XIX 203. 

 Peck, Morton E. Protective adaptations in the 

 nesting habits of some Central American 

 Birds XIX 167. 

 Peckert s. Morgenstern, M. XIX 405. 

 Peckham, «. W. An Account of the Andubon 



Movement XIX 168. 

 Peckham, George W. & Peckham, Elizabeth G. 

 Revision of the Attidae of North America 

 XVIII 383. 

 Pecomyia n. g. Theobald XIX 15. 

 Pccten De Gregorio XVIII 311; Ugolini XVIII 

 311. 

 Augen: Dakin XX 82. XXI 348. 

 Eingeweide-Ganglien: Dakin XX 82. XXI 



242, 337. 

 Eßbar: Dakin XX 82. 

 Fibroblast: Drew XXI 445. 

 Gestreifte Muskeln: Dakin XIX 468. 

 Mantel: Dakin XIX 468. 

 Nervensystem: Dakin XXI 242, 337. 

 Nervensystem-Physiologie: Dakin XXI 242, 



337 

 Tremätoden: Seurat XVIII 340. 

 Wimper-Epithelium: Drew XXI 445. 

 P. aduucus Neogen Toscana: Oppenheim XXI 



446. 

 P. balestrai Miozän Bassano : Oppenheim XVIII 



311. 

 P. bassamensls Miozän Bassano: Oppenlieim 



XVII 1311. 

 P. besserl Miozän Verona: Oppenheim XVIII 



311 (bis). 

 P. odulis Dakin XXI 277. 

 P. flabelliformls De Gregorio XVIII 311. 

 P. gilbus Lamarck: Bavay XXII 445. 



Linné: Bavay XXII 445. 

 P. hva'inus De Gregorio XVIII 311. 



