EXPLANATION OF PLATES. 363 



FIGURE PAGE 



6. G. marginalba Pfr. S. Vicente Banos, Cuba 60 



7, 10. G. quadridens Pils. Capitan Mts., N. M. 74567 . . 57 



8, 9. G. marginalba Pfr. Matanzas, Cuba 60 



PLATE 11. Gastrocopta. 



1. G. rupicola Say. Lossman's Key, Fla. 105353 58 



2. G. rupicola Say. South Carolina. 3927 58 



3,5,6. G. rupicola Say. Seville I., L. George, Fla. 69545. 58 



4, 7, 9. G. r. duplex Pils. Bermuda. 105797 60 



8. G. marginalba Pfr. After Kiister 60 



10, 11. G. marginalba Pfr. Bermuda. 91154 60 



12, 13. G. marginalba Pfr. Matanzas, Cuba 60 



PLATE 12. Gastrocopta. 



1-5. G. procera Gld. Washington, D. C. 28815 62 



6. G. p. riparia Pils. Galveston, Texas. 78884 65 



7, 8. G. p. sterkiana Pils. (duplicata St.) . Glenrose, Texas. 



105745 357 



9, 10. G. riograndensis St. Type. Hidalgo, Tex. 601337. 69 



PLATE 13. Gastrocopta, 



1, 2. G. mcclungi Hanna. Clay Co., S. D. 110762 66 



3. G. mcclungi. Chamberlain, Brule Co., S. D. 110997. . 66 



4. 5. G. mcclungi. Rogers, Ark. 90440 66 



6. G. cristata P. & V. Ternpe, Ariz. 112031 68 



7. G. procera sterkiana Pils. Glenrose, Texas. 105745 . . 357 

 8-12. G. cristata P. & V. Camp Verde, Arizona. 78694. . 68 



PLATE 14. Gastrocopta. 



1. G. rupicola matacumbensis Pils. Type. 105511 60 



2, 3. G. rupicola matacumbensis Pils. Topotypes. 105509. 60 



4. G. servilis Gld. St. Thomas. 60550 70 



5. 6. G. servilis Gld., Cuba. 60548 70 



7. G. servilis Gld. Somerset, Bermuda, 100483 70 



8. G. s. riisei Pfr. Water Island, near St. Thomas. 3811. 74 



9. G. s. riisei Pfr. Water Island, near St. Thomas. 22944. 74 



10. G. desiderata Weinl. After Weinland 73 



PLATE 15. Gastrocopta. 



1-3, 5. G. peUucida Pfr. Cuba. 10036 75 



4, 9. G. p. delicata Pils. Type and paratype 78 



6. G. ovumformicae Weinl. After Weinland 82 



