294 NERVE COMPONENTS OF BONY FISHES. 



r. com. b. — ramus communicans between first spinal nerve b and 

 the r. lateralis accessorius. 



r. com. 2. — do. between second spinal nerve and r, lateralis 

 accessorius. 



r. com. J. — do. do. third spinal nerv^e do. 



r. com,. 4. — do. do. fourth spinal nerve do. 



r. cut. dors. X. — ramus cutaneous dorsalis vagi. 



,r. e. — m. rectus externus. 



r. d. — fine fibred slip of m. rectus externus. 



rec. I. to rec. 3. — roots of the ramus lateralis accessorius (recurrent 

 roots of the facial). 



r. if. — m. rectus inferior. 



r. intest. X. — ramus intestinalis vagi. 



r. it. — m, rectus internus. 



r. IX. — root of the giossopharyngeus. 



r. I. — ramulus acusticus lagenas. 



r. I at. ac. — ramus lateralis accessorius. 



r. lat. X. — ramus lateralis vagi. 



r. I. I. to r. I. 4. — the first four twigs of the r. lateralis vagi. 



r. m. — ramus medius of spinal nerves. 



r. m. b. — ramus medius of first spinal nerve b. 



r. 711. c. — ramus medius of first spinal nerve c. 



r. m. 2. to r. 7/1. 4. — ramus medius of second to fourth spinal nerves. 



r. n. — ramulus acusticus neglectus. 



r. oes. — oesophageal rami of the vagus. 



r . oph. sup. V. — ramus ophthalmicus superficialis trigemini. 



r. oph. sup. VII. — ramus ophthalmicus superficialis facialis. 



r. op. V. — ramus opercularis trigemini, 



r. op. X. — ramus opercularis vagi. 



r. ot. — ramus oticus. 



r. ot. c. — the general cutaneous component of the r. oticus. 



r. ot. I. — the lateralis component of the r. oticus. 



r. r. u. — ramulus acusticus recessus utriculi. 



r. s. — m. rectus superior. 



r. sac. — ramulus acusticus sacculi. 



r. sp. — ramus spinosus, or motor portion of dorsal branch of spinal 

 nerves. 



r. sp. b. — ramus spinosus of first spinal nerve b. 



r. sp. c. — ramus spinosus of first spinal nerve c. 



r. sp. 2. to r. sp. 4 — ramus spinosus of second to fourth spinal 

 nerves. 



r. St. A". —ramus supratemporalis vagi. 



r. V. — ramus ventralis of spinal nerves. 



r. V. b. — ramus ventralis of first spinal nerve b. 



r. V. c. — ramus ventralis of first spinal nerve c. 



r. V. b -\r c. — the combined ventral rami of the first spinal nerves 

 d and c. 



