900 A. E. Verrlll — The Bermuda Islands. 



Figures 75, d, e, f. — American Toothed Snail (JPolygyra appressa Say), xlijj; 



d, coarsely sculptured variety ; e, f, ordinary form. Phot, by 



A. H. V. 

 Figure 76. — Spiral Snail (Rumina decollate (L.) ; a, with animal expanded, nat. 



size ; b, the shell, nat. size. After Binney. 

 Figure 77. — Slender Snail (Subulina octona (Ch.). Drawn by A. H. V. 

 Figure 78. — Slender Snail (Opeas Suuftianum, (Pfr.). Drawn by A. H. V. 

 Figure 78a. — Ccecilioides acicula ; after Binney. 

 Figure 79, a, b, c, d. — Tree Snail (Helicella ventrieosa Drap.) ; different views 



of young and adult ; e, Rumina decollata, young ; both x 1%. 



Phot, by A. H. V., 1902. 

 Figure 80, a, b.— Snail (Succinea Barbadensis Guild.), x 3. 

 Figure 81, a, b. — European Snail (Hyalina lucida Drap.), x l 1 ^. Phot, by 



A. H. V., 1901. 

 Figure 82. — White Snail (Eulota similaris (Fer.) ; a, b, c, different views; 



enlarged 1%. Phot, by A. H. V. 

 Figure 83. — Garden Slug {Limax flavus L.), nat. size. After E. S. Morse in 



Binney's Gould. 

 Figure 84, a, b, c. — Giant Slug (Veronicella Schivelyce Pils.) ; la, dorsal view, i 



nat. size ; 1ft, under side of head ; lc, side view of head, enlarged. 



Drawn by A. H. V. 

 Figure 85. — Flesh-fly (Sarcopjhaga carnaria); enlarged after Fyles. 

 Figure 86, a, b. — House-fly; young larvae, enlarged; after Packard. 

 Figure 87. — Blue-bottle (Lucilia ecesar); phot. A. H. V. 

 Figure 88. — Blow-fly (Calliphora vomiloria) ; phot. A. H. V. 



Figure 89. — Stable-fly (Stomoxys calcitrans) ; a, fly; b, head; o, eye; p, probos- 

 cis; c, larva; /, pupa; after Howard. 

 Figure 90. — Onion fly; o, b, larva; c, imago; after Packard. 

 Figure 91. — Grape-fly; a, imago, enlarged; b, larva. 



Figure 92. — Peach-fly (Ceratitis capitata); a, imago; b, larva; after Eiley. 

 Figure 93. — Syrphus-fly (Allograpta obliqua); after Say. 



Figure 936. — Larva of a Syiyjhus-fly eating an aphid, enlarged; after Glover. 

 Figure 94. — Mosquito (Culex, sp.) ; A, larva; B, pupa; enlarged; after Packard. 

 Figure 95. — a, Larva of Yellow-fever Mosquito (Stegomyia faseiata); b, larva of 



Culex fatigans ; both much enlarged; after Theobald. 

 Figure 96. — Culex fatigans ; wing from a Bermuda specimen; after Theobald. 

 Figure 97. — Culex fatigans ; male; x 4. 

 Figure 98. — Female of the last ; both after Theobald. 

 Figure 99. — Yellow-fever Mosquito (Stegomyia fasciata); male; x 4. 

 Figure 100. — The same; a female; x4 times; both after Theobald. 

 Figure 101. — Human Flea (Pulex irritans), much enlarged; b, larva; after Claus. 

 Figure 102. — Dog Flea (Serraticeps canis), much enlarged. 

 Figure 103.— Larva of Dog Flea, much enlarged; after Chittenden. 

 Figure 104. — Chigoe (Sarcopsylla penetrans); a, female, much enlarged; b, 



female filled with eggs, natural size; after Packard. 

 Figure 105. — Gravid female of another species of Sarcopsylla (not Bermudian); 



much enlarged; after Claus. 

 Figure 106. — Bermuda Wasp (Polistes perplexus); male. 

 Figure 107. — The same; female. Both phot, by A. H. V. 



