INDEX 



279 



Melophagus, mesenteron, 74 

 Membranes of egg, 6, 253 

 Mercier, Blochmann's corpuscles, 



14 

 Mesenteron, larva, 98, 220 



later development, 222-228, 260 



rudiments, 56-82, 221, 222, 224, 

 227, 255 

 Mesoderm, 80, 81, 130, 131, 196 



formation, 43-56, 254 



head, 205-207 



later development, 196-219 



legs, 201 

 Mesodermal sacs, 197, 209, 217 



tubes, 197, 201, 206, 214, 216, 217, 

 218, 219 

 Metamerism, 52 



Metschnikoff, genital cells, 218 

 Microgaster, Malpighian tubules, 



228 

 Micropylar area, 7, 8, 253 

 Micropyle, 7, 8 

 Microsomites, 55 

 Mid-body, 23 

 Middle plate, 45, 46, 47, 50, 51, 52, 



53, 55,. 62, 255 

 Mid-intestine, larva, 98, 220 



later development, 222-228, 260 



rudiments, 56-82, 221, 222, 224, 

 227, 255 

 Mitosis, blastoderm, 35 



cleavage cells, 21-23 



yolk cells, 230-232 

 Mouth, 97, 220, 226 

 Multipolar spindles, 23 

 Musca, blastoderm, 31, 34, 42 



cleavage, 25 



inner cortical layer, 31, 42 



mesenteron, 73, 74, 77 



mesoderm, 208 



neuroblasts, 132 

 Muscids, yolk cells, 242 

 Muscles, development, 199, 200, 

 201, 202, 203, 205, 207, 209, 210, 

 211, 259 



larva, 177, 189-193 

 Myrmica, amnion, 87 



Nachtsheim, cephalo-dorsal body, 



93 



mitosis in cleavage cells, 21 



yolk cells, 241 

 Neophalax, mesenteron, 72 



yolk cells, 240 

 Nerve, antennal, 120 

 Nerve cells, 157 

 Nerve cord, development, 105, 124- 



142, 157, 160, 257 

 larva, 113-115 

 Nerve fibres, development, 134, 

 135, 155, 156 

 larva, 115 

 Nerve, frontal (stomatogastric), 

 121, 159 

 labral, 121, 158 

 Nerves, lateral, 115, 135, 136 

 Nervous system, development, 124- 

 166, 255 

 larva, 1 13-124 

 Nervus recurrens, sec frontal 



nerve 

 Neural groove, 102, 124, 125, 126, 



127, 129, 130, 132 

 Neural ridges, 102, no, 124, 144 

 Neurilemma, development, 134, 

 160, 161, 257 

 larva, 115 

 Neuroblasts, 126, 129, 130, 132, 135, 

 138, 139, 145-150, 153, 157, 

 160, 257 

 Neurogenic area, 127, 142, 145 

 Neuromeres, 144, 145, 255 

 Neuroptera, oenocytes, 182 

 Noack, blastoderm, 31, 34, 40 

 mesenteron, 75, 77 

 yolk cells, 242 

 Nuclei, blastoderm, 28, 29, 31, 33, 

 35 

 degenerating cells, 165 

 yolk cells, 234-236, 241 

 Nusbaum, amnion, 88 

 mesenteron, 73, 74, 76, 209 

 neurilemma, 160 

 Nusbaum and Fulinski, mesen- 

 teron, 72, 77, 209 

 Oblique muscles, 191, 201 

 Occipital ganglion, 159 

 Odonata, mesenteron, 76 



yolk cells, 244 

 Oecanthns, mesenteron, 72 



segmentation, 55 

 Oenocytes, 181-188, 259 

 Oesophageal muscles, 192, 206 

 Oesophagus, development, 225, 

 226, 260 

 larva, 97, 220 

 Optic ganglion, 153 

 Optic lobes, 148, 149, 150, 151, 153- 



155, 157, 255 

 Optic plate, 151, 153, 154 

 Organization of egff, 4 

 Orthoptera, amnion, 88 

 brain, 116, 117, 157 

 frontal ganglion, 159 



