JURASSIC PERIOD. 



461 



5. Articulates. — (a.) Crustaceans. — Fig. 734, Ergon arctiformis, Solen- 

 hofen. Fig. 735, Archseoniscus Brodiei, an Isopod from the Purbeck. 



Fiffs. 733-737. 



Articulates.— Fig. 733, Libellula; 734, Eryon arctiformis ; 735, Archfeoniscus Brodiei; 736, 

 Elytron or wing-case of Buprestis ; 737, Palpipes priscus. 



(b.) Insects. — Coleopters, genera Carabus, Biqtrestis, Coccinella, etc. ; Neurop- 

 ters, Libellula, Termes, etc.; Orthopters, Blatta, Acheta, etc. ; Heinipters, Cicada, 

 etc.; Dipters, Culex, Chironomus, Musca, etc. ; Lepidopters, Tineites, Sphinx : 

 Hymenopters, Apiaria. Fig. 733, Libellula, Solenhofen. Fig. 736, Buprestis, 

 Stonesfield. 



(c.) Spiders. — Fig. 737, Palpipes jiriscus. 



Fis. 73S. 



Ganoid.— Aspidorhynchus ( X x /$ )• 



6. Vertebrates. — (a.) Fishes.— Fig. 73S, Aspidorhgnchus, Solenhofen. 

 Pycnodont Ganoids (see p. 280) occur among the fossils, and one of large size 



