144 



Postscutellum (post-scu-tel'lum), 21. 

 Praescutum (Prae-scu'tum), 21. 

 Premedia (pre-me'di-a), 90. 

 Preservation of specimens, 32. 

 Prologs, SS. 



Pronotum (pro-no'tum), 21, 

 Propygidium (pro-py-gid'i-um), 73. 

 Prosternellum, 22. 

 Prosternum (pro sternum), 21. 

 Prothorax (pro-thorax), 21. 

 Proventriculus (pro-van -tric'u-lus), 



Proximad (""roxim-ad), 4. 

 Proximal (prox i-mal), 4. 

 Pseudotracheae (pseu-do tra'chea?), 



Pterostichus californicus (Pte-ros'ti- 



chus cal-i-for'ni-cus), 63, 

 Pulvilli (pul-virii\ 26. 

 Pygidium (py-gid i-um), 73. 



Radial cross, vein, 91. 



Radial sector, go. 



Radio-medial cross-vein, 91. 



Radius (ra di-us), 89. 



Recti muscles. 53. 



Rectum, 37, 57. 



Removing paraffin, 132. 



Reproductive organs, 40. 



Respiratory system, 46. 



Rhyphus (Rhy'phus), wing of, 87. 



Rolling of sections, 130. 



Salivary glands, 57. 



Scenopinid (Sce-nop i-nid), 98. 



Sclerites (scle rites), 8. 



Scutellum (scu-tellum), 21, 23. 



Scutum (scutum), 21, 23. 



Section cutting, 129. 



Seminal vesicles, 42, 46. 



Sequence of treatment of material, 



124. 

 Setigerous (se-tig er-ous) punctures, 



Sialis (Si'a lis), wings of, 115. 



Simple eyes, 10. 



Simple suspensory muscle, 38. 



Simple veins, 88. 



Siricid (Si-ricid^ wing of, 108. 



Small-dorsal-rectimuscles, 53. 



Specialization by addition, 109. 



by reduction, 109. 

 Specialized, 87. 



Spermatheca (sper-ma-the'ca), 44. 

 Spermatozoa (sper'ma-to-zo'a), 43. 

 Sphecid, wing of, 108. 

 Spiracles (spir'a-cles or spi'ra-cles'^ 



, 24. 57- 



.Spurious vein, 9q. 

 Sternite (ster'nite), 28. 

 Sternellum, 21. 

 Sternum (sternum), 21, 28. 

 Stigma, 103. 

 Stipes (sti pes), 15. 

 Stomach. 36. 

 Stylets, 82. 



Subcosta (sub-cos ta), 89. 

 Subcostal fold, 94. 

 Subgalea (sub-ga le-a), 66. 

 Submentum (sub-men turn), 14. 

 .Suboesophageal ganglion (sub-oe- 



sopli-ag'e al), 51. 

 Superior lobe, 15. 

 Supraoesophageal ganglia (su-pra-oe- 



soph-ag'e-al), 50. 

 Suspensoria (sus pen-so'ri-a), of the 



viscera, 37. 

 Suspensory muscles, 38. 

 Suspensory nerves of the alimentarj 



canal, 39, 49. 

 Sutures (sfit urs), 9. 

 Sympathetic nervous system, 59. 

 Syrphid, wing of a, 98. 



Tabanid, wing of, 98. 



Tabanus (Ta-ba'nus), 82 



Taenidia (tse-nid i-a), 47. 



Tarsus (tarsus), 26. 



Technical nomenclature, need of 



a, I. 

 Tegmina (teg'mi-na) 27. 

 Tenthredinids (Ten'thre-din'ids, 



wings of), 108. 

 Tentorium (ten-to'ri-um), 12, 17. 

 Tergite (ter'gite), 28. 

 Tergum (ter gum), 28. 

 Testes, 4"^, 41, 46. 

 Testicular follicles, 40. 

 Thorax (thorax), 8; parts of, 20. 

 Tibia (tib'i-a), 26. ' 

 Tipulid, 54. 



Tracheae (tra'che-ae), 46. 

 Tracheal gills (tra'che-al), ^^. 

 Tracheation of wings, 1 1 7. 

 Trochanter (tro-chan ter), 26. 

 Trochantin (tro-chan'tin), 26 



