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ARACHNIDA -PEDIPALPI. 



PLATE X. 



2 



• 



Fig. 1. Mastigoproctus giganteus, Luc, ? , nat. size, typical form from Atoyac : 1 a, anterior three 



sternal plates of abdomen. 



. Mastigoproctus giganteus, Luc., <$ } nat. size, typical form from Atoyac : 2 a, anterior three 

 sterna of abdomen. 



. Mastigoproctus giganteus, Luc., subsp. mexicanus, Butl., anterior end of carapace and left 

 chela of type-specimen. 



. Mastigoproctus giganteus, Luc, subsp. scabrosus, Poc. anterior end of caranaoe and left 



chela of type-specimen from Oaxaca. 



Mastig 



c? 



(h 



6 a, dorsal view of the fifth and 



above, to show the large spine in the middle of its anterior surface. Figures taken from 

 type-specimen from Barbados. 



7. Phrynus parvulus, sp. n., <J , carapace ; 7 a, anterior end of carapace, to show the shape of the 



frontal portion ; 7 b, anterior sternal plates of abdomen, to show the size and shape of the 

 first, second, and third sterna. 



8. Phrynus operculars, sp. n., <J, carapace and chela; 8 a, anterior end of carapace, to 



show shape of frontal area; 8 b, anterior sternal plates of abdomen, to show size 'and 

 shape of the first three sterna ; 8 c, trochanter of right chela from above, to show the 

 absence of large spine from its anterior surface. 



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