INDEX 



217 



Melanoplus, 160; ental surface of the 



pleurites of the meso- and meta- 



thorax of. 96 ; head of, 97 ; tentorium 



of, 97 



Melolontha vulgaris, larva of ; 185 

 Melophagus ovinus, 194 

 Mentum, 46 

 Mercer, 196 

 Mesenteron, 108, in 

 Mesonotum, 50 

 Mesophragma, 97 

 Mesothorax. 48 

 Metameres, 34 



Metamorphosis of Insects, 166 

 Metanotum, 50 

 Metaphragma, 97 

 Metapneustic, 115 

 Metathorax, 48 

 Miall, 170 

 Micropyle, 167 

 Mid-intestine, 108, in 

 Milk-week butterfly, reproductive 



organs of the, 160; transformations 



of the, 187 

 Millipedes, 15 

 Milne-Edwards, 47 

 Mites, 9 



Molting fluid, 172 

 Molting fluid glands, 99 

 Molting of insects, 171 

 Moniliform, 41 

 Morgan, 70 



Mosaic vision, theory of, 141, 142 

 Mosquitoes, antennae of, 153 

 Mouth-parts, 42; the development of, 



200 



Muller, Fritz, 181 

 Muller, J., 141 

 Muller's organ, 149 

 Muscidae, development of the head in 



the, 202 

 Muscles, 104 

 Musical notation of the songs of insects, 



92 



Musical organs of insects, 78 

 Music of flight, 80 

 Myriapoda, 15 

 Myrientomata, 24 

 Myrmecia l wings of, 74 

 Myrmica rubra l stridulating organ of, 



87 



Naiad, the term defined, 179 

 Naupliiform, 185 

 Needham, 112, 178 

 Nemobius, 84 

 Neoteinia, 194 

 Nerves, 123 

 Nervous system, 123 

 Neuronia, 56; lateral aspect of the 

 mesothorax of, 57 



Neuropore, 130 



Newport, 106 



Nidi, 112 



Night-eyes, 143 



Nodal furrow, 74 



Notostigma, 22 



Notum. 49 



Nurse-cells, 158 



Nymph, the term defined, 176 



Nymphon hispidum, 11 



Obtected pupae, 191 

 Occiput, 39 

 Ocelli, 134, 135 

 Ocular sclerites, 39 

 Odonata, 180 

 (Ecanthus, 84, 85, 86 

 CEcanthus niveus, 93 

 (Enocytes, 163 



CEsophageal sympathetic nervous sys- 

 tem, 125, 127 

 CEsophageal valve, 1 1 1 

 (Esophagus, no 

 Olfactory pore of Mclndoo, 155 

 Olfactory pores, 131, 154 

 Ommatidium, 135; structure of, 139 

 Oniscoida, 7 

 Onychii, 58 

 Onychophora, 4 

 Ootheca, 170 

 Oral hooks, 201 

 Organs of sight, 130 

 Orthesia, 102 

 Osmeteria, 101 



Osmylus hyalinatus, wings of, 68, 69 

 Ostia of the heart, 121 

 Oudemans, 117 

 Outer margin, 60 

 Ovarian tubes, 157, 158 

 Ovaries, 156 

 Oviduct, 156, 159 

 Ovigerous legs, 1 1 

 Oviparous, 191 

 Ovipositor, 76 



Packard, 149, 189 

 Paedogenesis, 192 

 Paedogenetic larvae, 192 

 Paedogenetic pupae, 192 

 Palaepstracha, 8 

 Palpifer, 44 

 Palpognaths, 21 

 Pamphilins, wings of, 67 

 Papilio thoas, 173 

 Papilio thoas, larva of, 101 

 Paraglossae, 43 

 Parapsides, 51 

 Paraptera, 51 



Parasites, Respiration of, 120 

 Passalus, stridulating organ of a larva 

 of, 89 



