EXPLANATION OF PLATE 47. Tfif 



and is nearly related to the genus Bibio, which is 

 now widely distributed, being common in Europe, 

 and in N. and S. America. 



See Curtis Brit. Ent. Vol. iii. PI. 138. 

 This fossil presents the under surface of the 

 Animal. 



Fig. 12. A fossil Spider from the Miocene Fresh- water 

 formation at Aix, in Provence, in the collection of 

 Mrs. Murchison ; the under surface of the Animal is 

 presented, and the little tubercles near the hinder 

 part of the abdomen are Papillae of the spinning 

 organs, apparently, protruded by pressure. 



See Kirby and Spence, Introduction to Entomo- 

 logy, 4th edit. vol. i. p. 204 ; and Herold, von der 

 Erzeugung der Spinnen im Eie, Tab. 11. Figs. 4. 

 9. 11. r. (Original.) 



Fig. 13. From a drawing by M. Cotta of the fragment 

 of a larger Scorpion, which is slightly delineated 

 in PI. 46', Fig. 2, near the forceps of the smaller 

 and more perfect Scorpion figured in that Plate. 

 I received this drawing from Count Sternberg, in 

 August, 1835. (Original.) 



a. Dorsal scales of the abdomen. 



b. Caudal segments. 



c. Intestinal Canal. ? 



d. Fragment of Intestinal Canal. ? 



Plate 47^. V. I. p. 428, Note. 



Fig. 1 and 2. Copied in part from the restoration of the 

 Bradford, or Pear Encrinite (Apiocrinites rotundus) 

 in Miller's Crinoidea, Pag. 19. PI. 1. In Fig. 1. the 

 arms are expanded, and in Fig. 2. nearly closed. 



* Much value is added to this and the following Plates, relating to 

 Crinoidea, by their having been engraved (except PI. 48.) by a 

 Naturalist so conversant with the subjects, as Mr. James Sowerby. 



