EXPLANATION OF PLATE XII. 



All the drawings were inade by J. Henry Blake. 



Fig. 1. (391)) (?) Cone of Sequoia, seen in cross- 

 section; supposed when the plate, was 

 engraved to be a coiled myriapod. 



2. (H616) ({) Parotennes Imgenii. 



3. (1247) f*) Parotennes fodina'. 



4. (13fi26) (I) Ephemera inacilenta, larva. 

 :">. (H824.) (f) Ephemera iniinobilis, larva. 

 <;. (1)010) C|) Hoilotermes ''. col ..ladensis. 



7. (10U60) (f) Ephemera pauiinosa, pupa. 



8. (4643) (?) Taphacris rolicinata. 

 II. (5587) (f) Ephemera exsnccii. 



10. (13f)Jli) (f) Ephemera marilenia, l:if\a. 



11. (34D) (if.) Necropsylla rigid:.. 

 690 



Fig. 12. (19M) (?) Eutertnes meadii. 



13. (11041) ( : , ) Parotermes insigni.s. 



14. (400) (j) r.-irotennes insionis. 



15. (151('ii (;') Ephemera pninieosa, larva. 



16. (233) (!) Ephemera pumieosa, larva. 



17. (31) (f) Entermes meailii. 



!"<. (1693) (f) Lepisma platviun-.i. SDIIH- "I 

 tho abdominal joints are no; indicated. 



19. (464I!) (}) Taphacris reliqnata. 



20. (litl-19) ( r l) Entermes fossarnin. 



21. (310) (-if) Necropsylla rigida. 



22. (11190) ( r ) ParotfirmeH fodina-. 



