ILLUSTRATIONS XVII 



Plates 

 Plate Frontispiece 



1. a, Chondracanthus merlucii, female, dorsal; b, Chappaquiddicka pulchella, new 



genus, new species, female, dorsal; c, Doropygus laticornis, female, lateral: 



d, Elytrophora atlantica, female, dorsal; e, Sapphirina scarlata, male, dorsal; 

 /, Diaptomus leptopus, female, dorsal. 



Following page 624 



2. Arenosetella spinicauda, new species: a, Female, dorsal; b, male, dorsal; 



c, female, first antenna; d, male, first antenna; e, female, second antenna; 

 /, mandible and palp; g, second maxilla; h, first leg; i, fourth leg; j, female, 

 fifth leg; k, male, fifth leg; I, dorsal surface of anal segment of abdomen, 

 showing claws. 

 Arenosetella fissilis, new species: m, Female, dorsal; n, second antenna; o, 

 first leg; p, dorsal surface of anal segment of abdomen, showing claws. 



3. Zausodes arenicolus, new genus, new species: a, Female, dorsal; b, male, 



dorsal; c, female, first antenna; d, male, first antenna; e, female, second- 

 antenna; /, mandible and palp; g, second maxilla; h, maxilliped; i, female, 

 first legs; j, male, first legs; k, I, m, female, second, third, and fourth legs; 

 n, male, fourth exopod; o, female, fifth leg; p, male, fifth leg. 



4. Chappaquiddicka pulchella, new genus, new species: a, Male, dorsal; b, female, 



first antenna; c, male, first antenna; d, second antenna; e, first maxilla;/, 

 second maxilla; g, maxilliped; h, i, j, k, first, second, third, and fourth legs; 

 I, fifth leg; m, male, fifth leg; o, male, sixth leg, p, male, mandible and palp. 



5. Amphiascus dactylifer, new species: a, Female, dorsal; b, female, urosome, 



lateral, showing spermatophore; c, female, fifth leg; d, female, first leg; 



e, male, first antenna; /, male, first leg; g, male, second leg; h, male, fifth 

 leg. 



6. Stenhelia arenicola, new species: a, Female, dorsal; b, second antenna; c, 



mandible with palp; d, second maxilla; e, maxilliped; /, first leg; g, fourth 

 leg; h, fifth leg. 



7. Attheyella bicolor, new species: a, Female, dorsal; b, first antenna; c, second 



antenna; d, maxilliped; e, first leg; /, third leg; g, fourth leg; h, fifth leg; 

 i, male, first leg; j, third leg; k, fourth leg; I, fifth leg; m, caudal rami; n, 

 first antenna. 



8. Nitocra chelifer, new species: a, Female, dorsal; b, female, first antenna; c, 



male, first antenna; d, second antenna; e, maxilliped; /, male, first leg; g, 

 female, first leg; h, second leg; i, fourth leg; j, fifth leg; k, male, fifth leg. 



9. Paraleptastacus brevicaudatus, new genus, new species: a, Female, dorsal; 



b, male, dorsal; c, female, first antenna; d, male, first antenna; e, second 

 antenna; /, second maxilla; g, maxilliped; h, female, first leg; i, j, k, I, 

 second, third, fourth, and fifth legs; m, n, o., p, male, second, third, fourth, 

 and fifth and sixth legs. 



10. Paraleptastacus katamensis, new species: a. Female, dorsal; b, male, dorsal; 



c, female, first antenna; d, male, first antenna; e, second antenna;/, second 

 maxilla; g, maxilliped; h, female, fourth leg; i, female, fifth leg; /, male, 

 first leg; k, male, second leg; I, male, fifth and sixth legs. 



11. Emertonia gracilis, new genus, new species: a, Female, dorsal; 6, male, dor- 



sal; c, female, first antenna; d, male, first antenna; e, second antenna; 

 /, g, h, i, j, female, first, second, third, fourth, and fifth legs; k, male, 

 maxilliped; I, m, n, first, fifth, and sixth legs. 



12. Quintanus tenellus, new genus, new species: a. Female, dorsal; b, female, 



first antenna; c, male, first antenna; d, mandible and palp; e, second 

 antenna;/, maxilliped; g, h, i, j, k, female, first, second, third, fourth, and 

 fifth legs; I, male, fifth leg. 

 71937—32 2 



