492 SYNGNATHID^E. BRANCHIOSTOMATIDyE. 



Genus HIPPOCAMPUS. 



79. Hippocampus antiquorum, Leach. Short-nosed Sea- 



horse. 

 Hab. European coasts. 



a-d. Presented by F. P. Pinto, Esq., May 1859. 



e-z. Purchased, June 11, 1868. 



aa-ll. Purchased, April 28, 1870. 



mm-rr. Received in exchange, June 10, 1870. 



ss-yy. Purchased, March 30, 1872. 



80. Hippocampus ramulosus, Leach. Branched Sea-horse. 

 Hab. Coast of France. 



Family PETROMYZONTID^E. 



Genus PETROMYZON. 



81. Petromyzon marinus, Linn. Sea-Lamprey. 

 Hab. British Seas. 



a. Purchased, April 12, 1872. 



82. Petromyzon fluviatilis, Linn. River-Lamprey. 

 Hab. British Rivers. 



Family BRANCHIOSTOMATID^E. 



Genus BRANCHIOSTOMA. 



83. Branchiostoma lanceolatum (Pallas). Laucelet. 

 Hab. Coast of Italy. 



a-r. Presented hy the Director of the Zoological Station, 

 Naples, Nov. 14, 1874. 



