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(12) His (junior) and Romberg, “Beitrage zur Herzinnervation,” Fortschnitte 
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(13) His (junior), “Die Entwickelung des Herznervensystems bei Wirbel- 
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(15) Dogiel, “Bau der Ganglien in dem Geflechten des Darmes und der 
Gallenblase des Menschen und der Saugethiere,” Arcliiv fur Anat., 1899. 
(16) Graham Kerr, “On Some Points in the Early Development of Motor 
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(17) Ross Granville Harrison, “Experiments in transplanting Limbs, and 
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(18) Meiklejohn, “On the Development of the Plexiform Nerve Mechanism in 
the Alimentary Canal of the Chick,” Journal of Physiology, 1908. 
(19) Bayliss and Starling, “On the Movements and Innervation of the Small 
Intestine,” Journal of Physiology, vol. xxiv. 
(20) Langley and Magnus, “ Some Observations of the Movements of the 
Intestine before and after Degenerative Section of the Mesenteric Nerves,” Journal 
of Physiology, vol. xxxiii. 
(21) Elliot, “The Innervation of the Bladder and Urethra,” Journal of 
Physiology, vol. xxxv. 
(22) Yanase, “Beitrage 3 : Physiol, d. peristalt. Bew. d. embryonalen Darmes,” 
Pflugers Arcliiv, 1907. 
(23) Magnus, “Die Bewegungen des Verdauungskanals,” Ergebnisse der 
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occlusions,” Journal de physiol, et path., 1908. 
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(26) Gaskell, Origin of Vertebrates, 1908. 
(27) Ramon y Cajal, Trabajos del Laboratorio de Investigaciones Biologicas, 
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(27a) Ramon y Cajal, Algunos Metodos de Color acion de los cilindros ejes neuro- 
fibrillas y Nidos nerviosos , p. 1. 
(27b) Ramon y Cajal, Neuroglia y neurojibrillas del Lumbricus, p. 277. 
( Issued separately March 25, 1910 .) 
