Lacinia (la-cin'i-a), 15. 

 Laterad (lat er-ad), 2. 

 Lateral (lat'er-al), 2. 

 Lateral filaments, 33. 

 Legs, 26. 



Lepidoptera, wings of, 99. 

 Ligament of the viscera, 39, 42. 

 Ligula (lig'u-la), 14, 20. 

 Limitations to accuracy, 6. 

 Locusts, 7. 



Longitudinal veins, 88. 

 Lora, 79. 

 Lyonet, 51. 



Macroxyela (Mac-rox"y-e'la), 103. 

 Malpighian vessels (Mal-pe'ghi-an 



or Mal-pig'hi-an), 36, 56. 

 Mandibles (man di-bles), 13. 

 Mandibular scrobe, 66. 

 Margins of wings, 95. 

 Masticatory organs of the proven- 



triculus, 39. 



Maxillae (max il'lae), 13, 15. 

 Maxillary palpus (max'il-la-ry pal'- 



pus), 1 6. 



Maxillary segment, 17. 

 Maxillary tendons, 84. 

 Mayer's acidulated carmine, 134. 

 Mayer's albumen fixative, 132. 

 Mayer's hsemalum, 135. 

 Media (Me'di-a), 90. 

 Medial cross-vein, 92. 

 Median furrow, 94. 

 Medio-cubital cross- vein, 92. 

 Mediproboscis, 84. 

 Melanoplus femur-rubrum (Me-lan'o- 



plus fe'mur-ru'brum), 7. 

 Mentum (men'tum), 14. 

 Mercuro-nitric mixture, 126. 

 Mesad (mes'ad), 3. 

 Mesal (mes'al), 3. 

 Meson (mes'on), 3. 

 Mesonotum (mes-o-no'tum), 21, 22. 

 Mesosternellum, 24. 

 Mesosternum (mes-o-ster'num), 23. 

 Mesothorax (mes-o-tho'rax), 22. 

 Metanotum (met-a-no'tum), 21, 22. 

 Metasternellum, 24. 

 Metasternum (met-a-ster'num), 24. 

 Metathorax (met-a-tho'rax), 22. 

 Micropyle, 45. 

 Monarch Butterfly, wings of the, 



101. 



Mounting sections, 137. 

 Mouth parts of a locust, I, 



of a butterfly, 84. 



of a cockroach, iS. 



of a cicada, 80. 



of the honey-bee, 77- 



ot a hornet, 75. 



of the horse-fly, S2. 



of the house-fly, 83. 

 Musca domestica, 83. 

 Muscid, wing of a, 98. 

 Muscles, 51. 



Nervous system, 50 

 Neuroptera, wings of, 108. 

 Nodal furrow, 95. 

 Numbering of wing-veins, 90. 



( >blique lines, 3. 



Obsolete, 9. 



Occiput (oc'ci-put), 11. 



Ocelli (o-cel'li), 9. 



Ocellus (o-cellus), 9. 



OZsophagus (oe-soph'a-gus), 36. 



Ommatidium (om-ma-tid 1'i-um), 9, 



Open, 69. 



Optic nerves, 51. 



Outer lobe, 15. 



Outer margin, 95. 



Ovaries, 41, 43, 46, 58. 



Oviduct (o'vi-duct), 29, 41. 



Ovipositor (o-vi-pos'i-tor), 28. 



Palpifer (pal'pi-fer), 15. 

 Palpiger (pal'pi-ger), 14. 

 Pamphilius (Pam-phili-us), 103. 

 Paraffin, infiltrating with, 127. 

 Paraffin, removing, 132. 

 Paraglossae (par-a-glos'sse), 19, 67. 

 Patagia (pa-ta'gi-a), 99. 

 Penis, 42. 



Pericardial diaphragm, 48. 

 Peritremes (per'i-tremes), 24. 

 Pharynx (phar ynx), 36. 

 Picric acid, 136. 

 Picro-aceto-sublimate, 125. 

 Picro-sulphuric acid, 126. 

 Pleurite (pleu rite), 28. 

 Pleurum (pleu rum), 28. 

 Plica (pli'ca), 72. 

 Podical (pod'i-cal), plates, 28. 

 Postgenae (post-ge'nae), 12. 

 Postmedia (post-me'di-a), 90. 



