SYNOPSIS OP OHAPTEES. 



PAGE 



DiBECTioNS TO Students 9 



CHAPTER I.— The Grasshopper 13 



Laboratory directions — Pronunciation lists— The living grasshop- 

 per—Microscopic objects: compound eye, crop, air tubes, eggs, and 

 muscle— The young grasshopper— Examination questions —Beview 

 topics — Additional facts: the skeleton, molting, metamorphosis, senses, 

 respiration, injuries to farm crops— Groups of animals— Rules for 

 naming. 



CHAPTER II.— Other Orthoptera 37 



The cricket— Laboratory directions— Additional tacts: color, ovi- 

 positor, deposition of the eggs— Microscopic objects: spiracle, gizzard, 

 file on the wing— The katydid— Laboratory directions— Additional facts 

 — The walking-stick — Laboratory directions— Additional facts: protec- 

 tive resemblance- Table of differences between the grasshopper, cricket, 

 katydid, and walking-stick- Table of resemblances —Additional facts 

 about the Orthoptera. 



CHAPTER III.- Other Insects 32 



The butterfly— Laboratory directions -The caterpillar— Laboratory 

 directions— The chrysalis and cocoon — Laboratory directions — The moth 

 — Laboratory directions— Table of differences between a butterfly and a 

 moth — Microscopic object: scales of a moth— Additional facts about 

 Lepidoptera: metamorphosis, mouth parts and their homology, mim- 

 icry, silk. Injurious Lejjldoptera— The beetle— Laboratory directions- 

 Additional facts— The giant water bug— Laboratory directions— Addi- 

 tional facts— The cicada— Laboratory directions— Additional facts : the 

 seventeen year cicada, injuries produced by Hemiptera, parthenogenesis 

 — The house fly— Laboratory directions— Microscopic objects : proboscis, 

 labellse, lancets and palpi, foot, wing— Additional facts— The dragon fly 

 — Laboratory directions— Additional facts— The bumblebee— Laboratory 

 directions — The wasp— Laboratory directions— Microscopic objects: 

 tongue of a bee, tongue of a wasp, sting of a wasp, hooks on the hind 

 wing — Additional facts about Hymenoptera: metamorphosis; social 

 organization; honey, nectar, pollen, and wax; use of the sting and 

 poison; cross fertilization of plants; warning coloration; habits of 

 solitary wasps ; intelligence of ants— List of orders of insects— Pronun- 

 ciation lists— Table of differences between insects— Table of resemblances 

 — Logical definition- Definition of each order— Review topics on insects 

 —General considerations about Insects: how to collect and preserve 

 insects. 



CHAPTER IV.— ARACHNIDA AND Myriapoda 61 



The spider — Laboratory directions — Daddy longlegs— Laboratory 

 directions— Additional facts about Arachnida— The centipede— Labora- 

 tory directions — Thousand legs — Laboratory directions — Similarity 

 between a caterpillar and a myriapod— Additional tacts about myria- 

 pods : habits of life, homology of the maxlUipeds, demonstration of the 

 homology between the legs and the mandibles of a grasshopper. 



CHAPTER v.— CR0STACEA 68 



The orawhsh- Laboratory directions— Internal structure— The living 

 crawfish — The sow bug — Cyclops — Daphnia —Additional facts about 



7 



