NO. 1136. OBSERVATIONS ON THE ASTACID^^— FAXON. 693 



Plate LXIV. 



Fig. 1. Camhariis palmcri lonf/imannti Faxou. Male, Form I. Arthui', Texas. x|. 

 (Mus. Comp. Zool.) 



2. The same, first abdominal appendage from tlie outside. X2|. 



3. The same, first abdominal appendage from the inside. X2|. 



4. Camhants paJmeri loiigimanns Faxon. First abdominal appendage of the 



male. Form II, from the outside. X2|. 



5. The same, from the inside. X2t. 



6. Camhariis jyalmeri longimanus Faxon. Annnlus ventralis of femah'. Arthur, 



Texas. X2f. 



7. Cambai-us erichsojiianiis Faxon. Greeneville, Tennessee, xl. (No. 4347, Mus. 



Comp. Zool.) 



8. Camharns crichsonicmus Faxon. First abdominal appendage of the male, 



Form I, from the outside. Greenevilk', Tennessee. 



9. The same, from the inside. 



10. Camharns crichsoniatius Faxon. First abdominal appendage of the male. 



Form II, from the outside. Greeneville, Tennessee. 



11. The same, from the inside. 



12 Camharns eriehsonianiis Faxon. Annulus ventralis of female. (Jreeneville, 

 Tennessee. 



Plate LXV. 



Fig. 1. Catnhartis difficilis Fa,xon. Male, Form I. Mo Alister, Indian Territory, xf. 

 (Mus. Comp. Zool.) 



2. The same, first abdominal appendage of the male from the outside. X2|. 



3. The same, first abdominal appendage of the male from the inside. X2|. 



4. Camharns difficilis Faxon. Annulus ventralis of female. McAlister, Indian 



Territory. X2t. 



5. Camharns meeki Faxon. Male, Form II. Piney, Arkansas. xl. (Mus. 



Comp. Zool.) 



6. Cambarus meeki Faxon. Chela of female. Piney, Arkansas. Xl. 



7. Camharus meeki Faxon. First abdominal appendage of the male, Form II, 



from the outside. Piney, Arkansas. X2|. 



8. The same, from the inside. X2|. 



9. Camharns meeki Faxon. Annulus ventralis of female. Piney, Arkansas. X2f. 



Plate LXVI. 



Fig. 1. Camharris monteznma: dugesii Faxon. Female. Guanajuato, Mexico. X2|. 

 (No. 16087, U.S.N.M.) 



2. Camharns montezuma' areolains Faxon. Female. Cohahuila, Mexico. X2|. 



(No. 3650, Mus. Comp. Zool.) 



3. Camharns montezumw occidcntalis Faxon. Female. Mazatlan, Mexico. x2i, 



(No. 3652, Mus. Comp. Zool.) 



4. The same. Left chela, viewed from the outside. 



Plate LXVII. 



Fig. 1. Camharns ehapalanus Faxon. Male, Form I. Lake Chapala, Mexico. X2i. 

 (No. 17698, U.S.N.M.) 

 2. The same. Right chela, viewed from the outside. X2i. 

 i. Parastarns defossns Faxon. Montevideo, Uruguay. Xl^. (U.S.N.M.) 

 4. The same. Right chela, viewed from the outside. XH- 



