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J. DAVIDSON. 
clypeus. d. h. Dorsal wall of head. d. t. Dorsal longitudinal trachea, 
e. Embryos, e. c. Epithelial cells, e. s. Epithelial cells of stomach. /. a. 
Integumental areas of wax-glands, fac. Facets of the eyes. /. h. Fat 
body. fe. Femur, fr. Clypeus. g. Ganglion, g. c. Ganghon cells, g, o. 
Genital oi-ifice. g. jJ- Genital j)late. g. s. Granules of secretion, h. 
Hypopharynx. hd. Head. hr. Integumental hairs, hs. Hypodermis. 
{.Intestine. {. 7i. Infra-posterior wall of head. m. Intima. Z6?-. Labram. 
1. g. Longitudinal proboscis groove. Ir. g. Longitudinal groove on 
labrum. 1. 1. Ligament of connective tissue, lu. Lumen, lu. s. Lumen 
of stomach, m. Large pump muscle, m. a. Depressor muscles of 
antenna, m. a'. Elevator muscles of antennse. m. b. Depressor muscles 
of transverse bar. m. b'. Elevator nuiscles of transverse bar. ni. c. 
Circiilar muscles, m. cn. Muscles controlling cornicles, m. cox. Coxal 
muscles, m. d. External dorsal longitudinal muscles, m. d'. Internal 
dorsal longitudinal muscles, m. /. Lateral muscle of clypeus. m. g. 
Mid-gut. m. h. Depressor muscles of head. in. 1. Longitiidinal muscles. 
in. in. Protractor muscles of mandibular setae, in', in. Retractor muscles 
of mandibular setae. in. inx. Protractor muscles of maxillary setae. 
in'. inx. Retractor muscles of maxillary setaj. in. p. Lateral divaricator 
muscles to the wall of clypeus. in. ph. Divaricator muscles of pharynx. 
in. pr. Proboscis muscles, in. r. Mandibular chitinoixs rods. in. s. 
Metathoracic spiracle, in. t. Dorso-ventral mxiscles of thorax, in. v. 
External ventral longitudinal mi^cle£.___ni. jw'^ Internal ventral longi- 
tudinal muscles, in. v. d. Dorso-ventral muscles, ina. Metathorax. 
ina. g. Metathoracic' ganglion, ind. Mandibxdar setse. ind. o. Mandi- 
bular organs, mo. Mesothorax. mo. g. Mesothoracic ganglion, inx. 
Maxillary setse. mx. o. MaxiUaiy organs, mx. r. Maxillai-y chitinous 
rods. w. Nucleus, no. Nucleolus, n. a. Antennal nerve, ii. Z. 1-3. Leg 
nerves, n. m. Nerve to mixscles. o. Outer wall of oesophageal valve, 
ces. (Esophagus, oc. The eyes. oc. n. Nerve to eyes. ocZ. Oviducts. 
oin. Pigment, p. Post-abdominal nerve, p. a. Ovarian chambers 
p>. c. Ovarian cseca. p. g. Post-abdominal ganglion, pli. Pharynx. 
j). m. Pump muscles attached to v. r. po. Prothorax, p. p. Pharynx 
protuberances, pr. Proboscis, p. s. Prothoracic spiracle. pv. 
Pseudovitellus cells, r. Rectum, r. o. Retort-shaped organs of embryo, 
s. Salivary pump. s. a. Anterior salivary gland. .sZ). g. Sub-oesophageal 
ganglion, s. c. Salivary pump chamber, s. d. Salivary duct. s. g. 
SuiDi’a-cesophageal ganghon. s. o. Antennal sense-organs, s. p. Posterior 
sahvary gland, s. p. Spiracle, s. r. Main trachea from spiracle, st. 
Stomach, seg. n. I, 2. Segmental nerves from p. t. Tactile hairs, ta. 
Tarsus. Z. jf. Thoracic ganglion. Z{. Tibia. Zx’. Trachea. Z»'o. Trochanter. 
Z. Z. Thoracic trachea joining the spiracles, v. Vagina, v. b. Ventral 
tracheal branch, v. 1. Ventral longitudinal trachea, v. r. Ventral 
