PLATE 4 

 ARACHNOIDEA, ARACHNIDA, CRUSTACEA 



1. Scorpion and deer, Tro-Cortesianus 48c. 



2. Scorpion with sting conventionalized as a hand, Tro- 



Cortesianus 44c. 



3. Scorpion highly conventionalized, Nuttall 22. 



4. Spider, possibly a tarantula, Borbonicus 9. 



5. Crayfish, Nuttall 16. 



6. Crab. Nuttall 37. 



