THE ANNALS AND MAGAZINE OF NATUEAL HISTORY. [EIGHTH SERIES.] No. 57. SEPTEMBER 1913. XXXVI,— ^T/2e Classification of the Blennioid Fishes. By C. Tate Regan, M.A. (Published by permission of the Trustees of the British Museum.) The Blennioids may be defined as Percomorplious Teleosts with th(3 pelvic fins jugular or mental, each of a spine and four soft rays or still further reduced, with the dorsal and anal lays typically corresponding in number to the vertebrae, each basal bone attached to its own neurtil or ha3mal spine (rays more numerous in Ophidiiformes), with well-developed wings of the parasphenoid ascending in front of the prootics, atid with all or most of the ribs inserted on strong para-pophyses. The limits and contents of the group are indicated in the following scheme : — ^ Order PERCOMORPHI. Suborder Blennioidea. 1. Bleyiniiformes : Blenniid8e,Anarrhichadid8e,CongrogadldaB, Notograptidae. 2* Cliniforme$ : 01inid?e, Dactyloscopida?, Xiphidiontidaj, SticliseidsB, Pliolididse, Lumpenidas, Microdesmida?, Ptilicbthyida;, Zoarcidai, Sc) talinidie, Rhodichthyidaj. 3. Ophidiiformes ; Brotulidse, Ophidiidaj, Fierasferidse, Ann. tfc Mag. N. Hist. ISer. 8. Vol. x. 19