X 
TABLE OF ILLUSTRATIONS. 
CHAPTER XII. 
PAGE 
The Metamorphoses of the Flea ---------- 385 
Sty lops aterrimus - - - - - - - - - - - 3^7 
Female and Larva of Sty lops aterimus 388 
CHAPTER XIII. 
Metamorphoses of the Gnat - - - 391 
Cecidomyia and Viviparous Larvae --------- 394 
Tabanus bovinus ------------ 395 
Stratiomys chamceleo ------------ 398 
Volucella zonaria ............ 400 
Eristalis tenax - - - - --------- 401 
Gymnosoma rotundata ........... 403 
Meat Flies 404 
Ticks - - .......... 406 
CHAPTER XIV. 
Philopterus selcifrons and Pediculus capitis ------- 409 
Lepisma and Podura - - - - - - - - - - - 410 
CHAPTER XV. 
Julus terrestris - - - - - - - - - - - - - 412 
Scolopendra morsitans - - - - - - - - - - - - 414 
Development of Julus - - - - - - - - - - -417 
CHAPTER XVI. 
The Scorpion ------------- 428 
Hydrachna geographica - . - - - - - - - - - - 438 
Hydrachna globula ............ 442 
Itch Insect ------------- 445 
Argyroneta aquatic a - - - - - - - - - - - - 447 
CHAPTER XVII. 
Carcinus mcenas — Zoea ......... 453, 434 
Young Lobsters ------- .... 437 
Nauplius of Prawn ------------ 438 
Zoea of Prawn ------------- 439 
Older Zoea ------------- 460 
Mysis Form of Prawn ----------- 46 j 
Palinurus — Zoea ............ 462 
Species of Praniza and Anceus ........ 463 
Daphnia pulex and Cypris fusca --------- 463 
Metamorphosis of a Lerncean ......... 468 
Lepas anatifera ----- -------- 470 
A Sessile Barnacle 471 
Larva of Scalpellum vulgare , and Larva of second stage ... 473 
