82 



Order VII. LOPHOBRANCHII. 



363. A dried specimen of a large Pipe-fish (Syngnathus Typhori), showing the pecu- 



liar development of its ossified dermoskeleton and the prehensile flexibility of 

 its tail. Presented by Henry Earle, Esq., F.R.S. 



364. A dried specimen of the Hippocampus guttulatus, showing the longitudinal 



series of spines developed from its exoskeleton. Hunterian. 



365. A dried specimen of the foliated Hippocamp (Hippocampus foliatus), with the 



tail mutilated. Hunterian. 



366. A dried specimen of foliated Hippocamp, with the head mutilated. 



Hunterian. 



367. A dried specimen of a large Australian species of Hippocampus. 



Presented by Geo. Bennett, Esq., F.L.S. 



368. A similar specimen. Presented by the Very Rev. Dr. Buckland, F.R.S. 



Order VIII. GANOIDEI. 



Family Salamandridee. 



369. The skeleton of the Pike-headed Gar-fish (Lepidosteus lucius), showing the pro- 



gressive diminution of size of the caudal vertebrae, and their continuation into 

 the upper lobe of the tail, together with the great length of the haemal arches 

 and spines which support the rays of the lower lobe : these arches are not 

 anchylosed to the centrums : the number of the abdominal vertebrae is 43, 

 that of the caudal vertebrae, 25 : total, 68. 



Prepared from a specimen presented by Dr. Bigelow of Boston, U.&. 



370. The tympanic pedicle with its opercular appendage and part of the suborbital 



series of bones of the same Lepidosteus. 



Presented by Dr. Bigelow of Boston . 



371. A dried sepcimen of the slender-nosed Gar-fish (Lepidosteus osseus), wanting 



