PASQUINI, P. 1929. A proposito di trapianti embrionali. 

 Monit. Zool. Ital. 40: 263-269. (Pleurodeles, Axolotl, 

 Triton, Rana. Embryos; fusion of optic cups; equi- 

 potentiality and regulatory capacity of eye anlagen. ) 



1929. Fenomeni di regolazione e di ri- 



parazione nello sviluppo dell'occhio degli Anfibi 

 (risultati di nuovi esperimenti di asportazione e 

 trapianto della vesicola ottica in Pleurodeles, Axolotl 

 e Rana. (Regulation and regeneration in the develop- 

 ment of the eye in Annphibia. ) Atti R. Accad. Naz. 

 Lincei. Ren. CI. Sci. Fis. Mat. e Nat. 9:99-104. 

 (Rana; Pleurodeles, Triton, Axolotl; embryos; trans- 

 plantation and extirpation experiments; the eye as an 

 equipotential, self-differentiating system. ) 



1929. Relazioni nervose dell'occhio 



e organo olfattorio trapiantati, come abbozzi prinnari, 

 in enribrioni di Axolotl. (Nerve relations of the trans- 

 planted eye and olfactory organ, as prinnary anomalies, 

 in embryos of axolotl.) Atti. R. Accad. Naz. Lincei 

 Rend. CI. Sci. Fis. Mat. e Nat. 10:680-687. (Hono- 

 plastic heterotopic transplants of sense organs; re- 

 sultant hyperplasia of CNS receiving supernumerary 

 fibers. ) 



1931. Sui recenti studi dalla determinazione 



nello sviluppo degli anfibi. (I resultati degli esperi- 

 menti di radiosuscettibilita differenziale e della 

 centrifugazione. ) (Determination in the development 

 of Amphibia. (Differential radium-susceptibility and 

 centrifugation. )) Arch. Zool. Ital. 16:501-505. (Ex- 

 perimental teratology; production of anencephaly by 

 radon ennanations. ) 



1931. Intorno ad alcuni fenonneni della radio- 

 suscettibilita differenziale nelle uova di Rana escu- 

 lenta e sull'origine di alcune malformazioni. (Some 

 phenomena of differential susceptibility of frog eggs 

 to radium; and the origin of certain malformations. ) 

 Arch. Zool. Ital. 15:325-330. (Rana esculenta eggs; 

 radon irradiation; experimental teratology, CNS; 

 relation between inhibition of organogenesis and ab- 

 normal histological differentiation. ) 



1931. Equipotentiality of the amphibian eye 



primordia. Nature (London) 127: 163-164. (Rana 

 catesbiana; transplantation of optic vesicles in enn- 

 bryo. ) 



1932. SuU'influenza della ennanazione (radon) 



suUo sviluppo delle uova di Rana esculenta. (Analisi 

 sperimentale della radiosuscettibilita differenziale) 

 (Influence of radon emanations on the development of 

 the eggs of R. esculenta.) Atti Pontifici Accad. Sci. 

 Nuovi Lincei 85: 424-486. (Experimental teratology; 

 inhibition of cephalic differentiation by radiation from 

 morula to tailbud stages; increase in susceptibility of 

 CNS with age. ) 



and G. MELDOLESI. 1930. Ricerche suUa 



radio-sensibilita nello sviluppo delle ova d'anfibi. I. 

 Radiosuscettibilita differenziale dei vari stadi em- 

 brionali (Anuri). II. Alterazioni specifiche e mal- 

 formazioni secondarie da radiosuscettibilita differen- 

 ziale in Rana esculenta. (Action of radiunn on am- 

 phibian eggs. I. Differential susceptibility in the 

 various stages of development. II. Specific alterations 

 and nnalformations secondarily due to differential sus- 

 ceptibility in R. esculenta.) Atti R. Accad. Naz. Lincei 

 Rend. CI, Sci. Fis. Mat. e Nat. 10: 298-306. 1929. 

 11: 705-712. (Inhibition of cephalogenesis by irradiation 

 of early germ. Experimental teratology. ) 



and G. REVERBERI. 1929. Studi suUa de- 

 terminazione nello sviluppo degli Anfibi. (Analisi speri- 

 mentale degli effetti della centrifugazione sui prinni 

 stadi di Rana esculenta. ) B811. 1st. Zool. Roma 7: 

 1-55. (Differential susceptibility of medullary tube, 

 head, and blastopore region to effects of centrifugation. 

 Experimental teratology. ) 



PASTEELS, J. 1932. Etude des localisations germi- 

 nales de I'oeuf insegnnente des amphibiens anoures. 

 Arch. Biol. 43: 521-574. (Eggs; Rana fusca, Bufo 

 vulgaris, Bombinator pachypus; production of local 

 lesions in fertilized eggs; location of organ-forming 

 regions, esp. CNS and sense organs. ) 



PASTEGA, G. 1932. Potenze di ricupero e di 

 accrescimento di occhi ciclopi di ennbrioni "a litio" 

 di Rana esculenta. (Power of recovery and growth of 

 Cyclopean eyes of lithiunn-treated embryos of R. escu- 

 lenta.) Atti R. Accad. Naz. Lincei Rend. CI. Sci. Fis. 

 Mat. e Nat. 16: 170-172. (Transplantation of cyclopean 

 eye of Li-treated ennbryo to nornnal host; development 

 as a function of original mass of donor's eye field and 

 of host nutrition. ) 



PASTORI, G. 1927. Pineali accessorie e relazioni tra 

 gli organi pineale e subcomnnessurale (Accessory 

 pineal bodies and relations between tte pineal and sub- 

 commissural organs.) Cervello 6: 1-16. (Calf, sheep, 

 goat, horse, dog; ennbryos??; study of serial sections 

 diencephalon; relation of pineal- subcommissural organ 

 anatomy to circulation of cerebrospinal fluid. De- 

 velopment of region. ) 



1928. Pineali accessorie e relazioni tra gli 



organi pineale e subcommessurale . (Accessory pineals 

 and relations between the pineal and subcomnnissural 

 organs.) Publ. Univ. Cattclica Sacro Cuore Sci. 

 Biol. 4:97-115. (Not abstracted in Biological Ab- 

 stracts . ) 



1930-193 1. Development of diencephalon in 



mammals. Monit. Zool. Ital. (suppl.)41: 218-220. 



PATERSON, N. F. 1939. The head of Xenopus laevis. 

 Quart. Jour. Microsc. Sci. 81: 161-234. (Larval and 

 metannorphosed specimens; detailed study of cranial 

 nerves. Anatomy, effects of nnetamorphosis. ) 



PEARCY, J. F., and T. KOPPANYI. 1924. A further 

 note on regeneration of the cut spinal cord in fish. 

 Proc. Soc. Exp. Biol. Med. 22: 17-19. 



PEARSON, A. A. 1938. The spinal accessory nerve in 

 human embryos. Jour. Comp. Neur. 68: 243-266. 

 (Silver, hematoxylin and toluidin blue stains; differen- 

 tiation of neurones and fiber tracts.) 



1939. The hypoglossal nerve in hureian embryos. 



Jour. Comp. Neur. 71: 21-39. (Histological differen- 

 tiation of neurones and fiber tracts. ) 



1941. The development of the nervus terminalis 



in man. Jour. Connp. Neur. 75: 39-66. (Histology, 

 origin and differentiation. ) 



1941. The developnnent of the olfactory nerve 



in man. Jour. Connp. Neur. 75: 199-217. (Fetus; mor- 

 phogenesis of olfactory bulb, differentiation of tracts. 

 Cellular migration. ) 



1943. Sensory type neurons in the hypoglossal 



nerve. Anat. Rec. 85: 365-373. (Human fetuses; histo- 

 logy; presence of bipolar sensory type neurones in 

 hypoglossal nerve. ) 



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