BIOLOGY. 
Ins. 83 
a. Morphology. (See also o. ) 
Legs, maxillse, hypopharynx, Verhoeff (1435). 
Morphology of the leg, Borner (158). 
Morphology of leg, abstract of VerhoefFs views, Verhoeff, Zool. 
Zentrlbl. 1904, p. 658. 
Corpora allata, nerve-centres and metameres, Chironomus larva, Holm- 
gren (699). 
Morphology of head, Holmgren (699). 
Endoderm, vitellus, mesenteron, Marchal (908). 
Endoderm, origin of, bee, Dickel (379). 
Endoderm study, Schwangart (1259). 
The segmentation of the primitive Insect, anatomy of thorax, six seg- 
ments, new names, anatomy of Emhiidce, Verhoeff (1434). 
b. General (comprehensive) and External. (See also the 
other subsections for special systems or organs.) 
Structure of the chitin skeleton Coleoptei^a, von Linden (883). 
Head of Blatta, morphology, Eiley (1173). 
Morphology of head of Dipterous larvae and T-shaped ridges of 
oesophagus of Musca, Holmgren (700). 
Morphology of head and mouth-parts, Rhynchop. Coleopt., McClenahan 
(930). 
Thorax of Oryllus^ skeleton, Voss (1461). 
Compound structure of maxilla and of thorax, Banks (86). 
Mouth-parts, Mallophaga, Waterhouse, p. v, P. ent. Soc. London 
1904. 
Trophi oiDiptera, Wesche (1513, 1514). 
Mouth-parts of flies, Wimmer (1534). 
Hypopharynx of Machilis, etc., maxillula, Borner (157). 
Mouth-parts, Irichoptera, Ulmer (1417). 
Labrum and hypopharynx, Hymenoptera^ Hilzheimer (686). 
Labrum, adult and young, Odonata, Butler (211). 
Mouth of Anoplura, Enderlein (463). 
Structure of proboscis Anophelides, Leon (875). 
Ventral-tube, Collemhola, Hoffmann (694). 
Internal anat. abdomen, Aspidomorpha, MuiR (969). 
The abdomen of Odoyiata, and its appendages, larva and imago, Heymons 
(683) ; Handlirsch (662). 
Anatomy of honey-bee, Hommell (702). 
Anatomy and development of a Chalcid^ Embleton (450). 
Anatomy of mosquito, Lebredo (867). 
Anatomy and morphology Culex, Pazos y Caballero (1012). 
Anatomical points, Cidex mucidus alternans, Colledge (297). 
Epistomal appendages Cidicidce larvae, Knab (821). 
Structure of GonopidcB and larvae, de Meijj^re (933). 
Anatomy of Ranatra^ Marshall & Severin (917). 
Diaspis pentagona^ brief anatomical notes, Mazzarelli (929). 
Anatomy of Campodea, Philiptschenko (1045). 
Mechanics of wing movement. Bull (200). 
Luminescent organs, Photinus, Townsend (1392). 
Scent-organ of Fhasstcs, Deegener (359). 
Scent of Rhopalocera, Longstaff, p. Ixxxix, P. ent. Soc. London 1904. 
c. Nervous System, Sense-Organs. (For Senses, Psychology etc., 
see p. 85.) 
Morphology of central nervous system, Haller (652). 
Nerves, histology, Feriplaueia, Floyd (521). 
