364 Edward Wilson — Type Fossils in the Bristol Museum. 



In Bristol Museum also are preserved the type-specimens of some 

 of the Enaliosaurian reptiles, which have at different times been 

 described by Owen, Stutchbury, Sollas and Lydekker, a small 

 number of the molluscan types of James Sowerby, Stutchbury, 

 and Hudleston, and a few Brachiopods of Davidson and Crinoids 

 of Austen. 



The plan adopted in this Catalogue will be as follows : the types 

 from rocks of all ages will be arranged under their zoological classes 

 in alphabetical order. Actual " types " only will be quoted in the 

 first list, but to this there is appended a list of described and figured 

 specimens in this Museum which are not original types. 1 The names 

 — generic and specific — originally applied will in all cases be given 

 in the leading place, the intention being to furnish a complete record 

 of the fossil types in this Museum under their original names. 

 When, however, owing to the progress of palasontological know- 

 ledge, the name either of the genus or of the species has been 

 changed, or when the advisability of retaining the original or a 

 later name has been questioned, such later names will also be 

 given, the name here adopted coming last. No new revision will 

 be attempted in this list, but a few names, generic and specific, 

 which are now for the first time queried, will be placed in inverted 

 commas, and certain obvious rectifications will be made, and 

 doubtful points considered, especially in relation to the horizons 

 and localities from which certain of these type-specimens have 

 been dei'ived. 



The individual type-specimens only, which are at the present 

 time in the Bristol Museum, will be specified, and the anatomical 

 nature of these will be indicated. Thus the Catalogue will show 

 exactly which of the original type-specimens are, and which are not 

 now in this Museum, 2 and also of what these consist. The original 

 reference to every type-species will be given, and the more impor- 

 tant of the later references, where modifications in the original 

 nomenclature have been proposed, or which are considered of special 

 value in corroboration of same, but a detailed " synonymy " is not 

 attempted. In regard to the described specimens, as a general 

 rule, only " described and figured specimens " will be noticed, and 

 references will be given only to the works where such specimens are 

 described. A list of the principal works which relate to the fossil 

 type and described specimens in the Bristol Museum is appended. 



Eeptilta. 



Ichthyosaurus Conybeari, R. Lydekker. Geol. Mag. Dec. III. Vol. V. (1888). p. 311, 

 and Cat. Foss. Rept. B.M. (1889), p. 53 [skeleton]. L. Lias, loc. doubtful. 



Note. — In the British Museum Catalogue (op. cit.) the original 

 specimen, on a cast of which this type was founded, is stated to have 



1 In the Bristol Museum, the type-specimens are indicated by a little disc of yellow 

 paper marked Typ., and described specimens other than types by a similar disc of 

 green paper marked Des. 



2 It is unfortunately the fact that certain type-specimens have disappeared from 

 the Bristol Museum. 



