204 LABYRINTHODONTIA. 



R. 349. Electrotype from a fragment of shale, showing the imperfect 

 hinder half of the skeleton. The original, which is the 

 type, was obtained from the Gaskohle (Lowest Permian) of 

 Nyfan (Pilsen), and is figured by Fritsch in his ' Fauna 

 der Gaskohle,' vol. i. pi. xliv. figs. 1, 2. Purchased, 1882. 



Family MICROBRACHID^E. 



Small, slender forms, with very short pectoral limbs, strongly 

 sculptured cranial bones, and scutes covering the whole body \ 

 Bibs stout and curved, and of nearly equal length throughout the 

 series. Middle thoracic plate very broad, with a long posterior 

 process. 



Genus MICROBRACHIS, Fritsch \ 

 The type genus. 



Microbrachis pelicani, Fritsch 3 . 



The type species. Total length about 0,125. Twenty-eight upper 

 teeth ; cranial sculpture very elaborate ; teeth on stem of para- 

 sphenoid. 



Hah. Europe (Bohemia). 



R. 369. Three electrotypes from fragments of shale, one showing 

 the postcephalic portion of the skeleton, the second the 

 skull, and the third the imperfect skeleton. The originals 

 were obtained from the Gaskohle (Lowest Permian) of 

 Nyfan (Pilsen), and are figured by Fritsch in his ' Fauna 

 der Gaskohle,' vol. i. pis. xlv. and xlviii. 



Purchased, 1882. 



R. 370. Two electrotypes from a fragment of shale, showing the 

 ventral and dorsal aspects of part of the vertebral column. 

 The original was obtained from Nyf an, and is figured by 

 Fritsch, op. cit. pi. xlviii. fig. 8. Purchased, 1882. 



1 In the definition of the family in the ' Fauna der Gaskohle,' vol. i. p. 173, it 

 is stated that there are only ventral scutes ; but in the fig. on p. 175 the whole 

 body is scutellated. 



2 Sitz. k. bohm. Ges. Wiss. for 1875, p. 72 (1876). 



3 Loc. cit. 



