LEWIS, W. H. 1910. The relation of the myotomes to 

 the ventro-lateral musculature and to the anterior 

 limbs in Ambly stoma. Anat. Rec. 4: 183. 



LEWIS, W. H. , and M. R. LEWIS. 1912. The culti- 

 vation of sympathetic nerves from the intestine of 

 chick embryos in saline solutions. Anat. Rec. 6: 7. 



LICHTENSTEIN, B. W. 1943. Maldevelopments of 

 cerebellum; pathologic study with remarks on as- 

 sociated degeneration of olivary bodies and pontine 

 and dentate nuclei. Jour. Neuropath. Exper. Neur. 

 2: 164-177. 



LILLIE. R.S. 1923. 

 action. Chicago. 



Protoplasmic action and nervous 



1924. The physico-chemical conditions of 



morphogenesis. Anner. Nat. 58: 219. 



LINDSLEY, D.B. 1942. Heart and brain potentials 

 of human fetuses in utero. Amer. Jour. Psychol. 55: 

 412-416. 



LINELL, E.A. 1929. The histology of neurological 

 changes following cerebral trauma. An experinnental 

 investigation. Arch. Neur. u. Psychiat. 22: 926-948. 

 (Rabbits; brain injury; degeneration and regeneration; 

 microglial phagocytic reaction; astrocytic glial reac- 

 tion. ) 



LISSAK, K. , E. W. DEMPSEY and A. ROSENBLUETH. 

 1939. The failure of transmission of motor nerve im- 

 pulses in the course of Wallerian degeneration. Amer. 

 Jour. Physiol. 128: 45-56. (Cat; time sequence of 

 gradual failure of transmission; role of acetyl choline 

 in transnnission. ) 



LITWILLER, R. 1938. Quantitative studies on nerve 

 regeneration in Amphibia. II. Factors controlling 

 nerve regeneration in regenerating linnbs. Jour. Exp. 

 Zool. 79: 377-397. (Adult Triturus pyrrhogaster, 

 axolotls; amputation forelinibs, regeneration, re- 

 lation of level of regenerate to number of fibers; 

 effects of peripheral field on reinnervation; quantita- 

 tive. ) 



1938. Quantitative studies on nerve re- 

 generation in Amphibia. I. Factors controlling nerve 

 regeneration in adult limbs. Jour. Comp. Neur. 69: 

 427-447. (Triturus gyrrhogaster; transection bra- 

 chial plexus with and without reducing nerve supply or 

 removing nerve trunk; effect of limb pattern and size 

 of nerve source on regeneration. Histological, 

 quantitative . ) 



1939. Mitotic index and size in regenerating 



amphibian linnbs. Jour. Exp. Zool. 82: 273-286. 



1940. Mitotic indices in regenerating 



Urodele limbs. II. A study of the diurnal distribution 

 of cell divisions. Growth 4: 169-172. 



LLORGA, F. 1937. Le systeme nerveux d'un embryon 

 humain pathologique du prennier mois. Arch. Anat. 

 Hist, et Embr. 24:279-294. (Not abstracted in Bio- 

 logical Abstracts. ) 



LOCATELLI, P. 1924. L'influenza del sistemo 

 nervoso sui processi di rigenerazione. Arch, di 

 Scienze biolog. 5: 362-376. (Triton; amputation of 

 leg or tail; effect of partial or total ablation of spinal 

 ganglia in preventing regeneration of appendage. ) 



1924. Ulteriori ricerche suU 'influenza del 



sistenna nervoso sui processi regenerativi. Rendiconti 

 d. R. Istit. Lomb. di Sc. e L. Ser. U. 57: 329-335. 

 (Postembryonic Tritons; annputation hind legs with or 

 without removal of lumbar ganglia or section of 

 sciatic in such a manner as to sever sympathetics 

 from spinal cord. Innportance of spinal ganglia for 

 linnb regeneration. - See Schotte.) 



1926. Influenza del sistenna nervoso suUa 



rigenerazione dei tessuti. (Influence of the nervous 

 system upon the regeneration of tissues.) Arch. Sci. 

 Biol. (Napoli) 8: 80-98. (Rabbits, dogs; excision of 

 various portions of cerebrospinal and sympathetic 

 nervous system, cuts in epidermis, muscle, bone; 

 lack of influence of nervous systenn on skin and bone 

 regeneration; effect of spinal ganglia on regeneration 

 of muscle; beneficial effect of sympathectonny on re- 

 generation due to increased blood supply. ) 



1926. Role du systeme nerveux dans les 



ph^norrienes de regeneration. (Role of the nervous 

 system in regeneration. ) C. R. Soc . Biol. 95: 3-28. 

 (Triton; amputation foot, extirpation and/or blocking 

 of nerve supply; influence of spinal ganglia on promo- 

 ting regeneration; deterrent influence of sympathetic 

 system. ) 



1929. Der Einfluss des Nervensystems auf 



die Regeneration. (Influence of the nervous system on 

 regeneration.) Zeitschr. Wiss. Biol. Abt. D. Roux' 

 Arch. f. Entw.-Mech. d. Org. 114: 686-770. (Triton 

 cristatus, T. taeniatus; amputation hind foot with and 

 without section sciatic n. , extirpation lumbo-sacral 

 plexus; effects of sympathetic and somatic nerves, 

 vertebrae, on regeneration of foot. ) 



LOCY, W.A. 1895. Contributions to the structure and 

 development of the vertebrate head. Jour. Morph. 11: 

 497. 



LOO, Y. T. 1929. Formation of human cortex; onto- 

 gentic study with discussion on function of different 

 cortical layers. Anat. Anz. 68: 305-324. 



LOPASCHOV, G. 1935. Die Entwicklungsleistungen 

 des Gastrulamesoderms in AbhSngigheit von VerSn- 

 derungen seiner Masse. Biol. Zentralbl. 55: 606-615. 

 (Urodele gastrulae; explantation of varying numbers of 

 tissue fragments; dependence of development of CNS 

 and sense organs on number of fragments present in 

 one culture. ) 



LORENTE de NO, R. 1921. La regeneracion de la 

 medula espinal en las larvas de batracio. Trav. Lab. 

 Investig. Biol., Madrid 19: 147-183. (Frog tadpoles; 

 partial transection of spinal cord; histological study of 

 regeneration of meninges and cord; role of ependymal 

 cells in regeneration; failure of neuroblasts to divide: 

 irregular course of regenerated nerve fibers; studies 

 on regeneration from injured spinal ganglia. ) 



LOVELL, H.B. 1931. Innervation and function of 

 grafted hind limbs in Amblystoma punctatum. Proc. 

 Soc. Exp. Biol. Med. 29: 180. 



LOWENBERG, K. 1930. Histological studies on the 

 brain of a craniopagus. Amer. Jour. Path. 6: 469-476, 

 (Man; report of a case; fet^l brain retained into child- 

 hood. ) 



LOWRY, O. and A.B. HASTINGS. 1942. Problems 

 of aging. 2nd ed. Williams and Wilkins. 



LUBBERHUIZEN, H. W. 1927. Die Entwicklung der 

 Hypophysis cerebri beim Schaf. Dissertation. Uni- 

 versity of Leiden. Leiden. (Not abstracted in Biological 

 Abstracts. ) 



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