290 NERVE COMPONENTS OF BONY FISHES, 



CO. I. — fibres from the second branch of the supra-orbital trunk for 

 the cornea. 



CO 2. — do. from the fifth supra-orbital branch. 



cr. — cranial wall. 



cut. V. — the sensory (general cutaneous) component of the tri- 

 geminus. 



cut. X. — fibres from the spinal V tract to the cutaneous branches 

 of the vagus. 



cut. X. 2 and ctit. X. 3. — rami cutanei dorsales vagi. 



cut. I. — cutaneous fibres from the first spinal to the region behind 

 the'cleithrum. 



c. V. — ventral cornu of spinal cord. 

 D. — dentary bone. 



d. b. — first dorsal root of first spinal nerve (b of Fiirbringer). 

 d. c. — second dorsal root of first spinal nerve {c of Fiirbringer). 

 dep. — nerves for the depressor muscle of the pectoral fin. 



d. lat. VII. — dorsal lateralis root of the facialis. 

 d. I. g. VII. — dorsal lateral line ganglion of the facialis. 

 d. V. — deep root of the V nerve, containing fibres from the motor 

 V nucleus and for the " chief sensory nucleus" of the V nerve. 



d. 2. to d. 4. — dorsal roots of second to fourth spinal nerves. 

 EB4. — the fourth epibranchial bone. 



e. c. — external semicircular canal. 

 ESC. — extra-scapular bone. 



f. c. — fasciculus communis. 



f. d. 2. — nerves from second spinal for skm of dorsal part of pec- 

 toral fin. 

 f. I. d. — fasciculus longitudinalis dorsalis. 



f. m. 3. — nerve from third spinal for skin of middle part of pec- 

 toral fin. 



FR. — frontal bone. 



y_ 7/. J. — nerve from third spinal for skin of ventral part of pectoral 

 fin. 



G. — the caudal extra-cranial tip of the Gasserian ganglion, giving 

 rise to the second anastomosing nerve, /./. 2. 



Gas. g. — Gasserian ganglion. 



g. ccel. — ganglion coeliacum. 



gen. g. VII — geniculate ganglion of the facialis. 



g. IX. — ganglion of the glossopharyngeus. 



g. lat. X.- ganglion of r. lateralis vagi. 



g. X. I. to g. X. 3. — the ganglia of the first to third trunci branchi- 

 ales vagi. 



g. X. 4+ J. — the common ganglion of the fourth truncus branchialis 

 vagi and the r. intestinalis vagi. 



HM. — hyomandibular bone. 



hy. — ramus hyoideus facialis. 



hy. I. to hy. 5. — branches of the r. hyoideus VII. 



