INDEX 



909 



DEXDR1TES (G. dendron, tree) 68 



DEXDROCOtiLUM GRAFFI, dend'ro- 



se'liim (G. dendron, tree -f- koilia, 



bowels ) 286 



Lacteum 285 



DENSITY 37 



DENTAL FORMULA, den'tal (L. dens, 



tooth ) 739 



Ridge 732 



DENTARY, den'taree (L. dens, tooth). 



12, 617, 697 



DENTATUS GYRUS, denta'tus jlrus 

 (L. dentatus, toothed + guros, turn) 



884 



Nucleus 859 



DENTINE, den'tin (or teen), (L. dens, 



tooth), definition of 732 



DENTITION, dentish'un 732 



DEPRESSOR MUSCLES, depres'or 



(L. deprimere, to lower) 78, 829 



Nerve 755 



DERMAL BONES, der'mal (G. derma, 



skin ) , definition of 677 



DERMAL MUSCLES, definition of . . . .826 

 DERM AFTER A, dermap'tera (G. 



derma, skin -f- pteron, wing) 426 



An order of Orthopteroidea. 

 DERMARTICULARE, der'marticula'- 



re ( G. derma, skin ; L. articulare, to 



divide into joints) 697 



DERM A TO GEN, der'matojen (G. 



derma, skin; qiqnesthai, to produce). 228 

 DERMA TOM E, derr'matome ( G. 



derma, skin; tomos, cutting), defini- 

 tion of 502 



DERMIS, der'mis (G. derma, skin)... 46 



Component parts of 665 



DERMOCHELYS CORLACEA, der- 



mok'ells (G. derma, skin + chelus, 



tortoise) 652 



DERMOPTERA, dermop'tera (G. 



derma, skin + pteron, wing) 423 



DERO, de'ro (G. dero, neck) 286 



A sub-class of Oligochaeta. 

 DEROTREME8, derotrems (G. dero, 



neck + trema, a hole) 760 



DE SAUSSURE 381 



DESCEMETS MEMBRANE, definition 



of 579 



DESCRIPTION VS. EXPLANATION. 40 

 DE8MOGNATHUB FUSCUS, desmoj?'- 



nfithus (G. desmos, a band, -f- G. 



(jnathos, jaw) 6.' t 8 



DESSICATION (L. desiccare, to dry 



np) 147 



DEUTOMERITE, dutom'erit (G. deu- 



teros, second; meros, part) 151 



DEUTOPLASM, dii'toplasm (G. deute- 



ros, second + plasma, something 



formed), definition of 550 



DEVELOPMENT, definition of 31 



Of digestive canal 723 



DE VRIES, HUGO 388, 403, 679 



DEXTROSE (L. dexter, right + 



glukos, sweet) 187 



DIAGNOSIS, di'agno'sis (G. dia, 



through; gignoskein, to know), cor- 

 rectness of 20 



DIAPHRAGM, dye'aframm (G. dia, 



between; phragnymi, to inclose). 755, 756 

 DIASTASE, di'astas (G. dia, through; 



histanai, to set), definition of 268 



DIASTOLE, di'as'tole (G. diastole, 



difference) 58 



DIATOM, diatom (G. dia, through; 



temnein, to cut ) . 124 



DIBOTHRIO CEPHALUS LATU8, 



diboth'reosef 'alus 296, 301 



Same as Bothriocephalus. 

 DIBRANCHIA, dibrang'kia (G. di, 



two + branchia, gills ) 42 1 



An order of Cephalopoda with two 



gills, two kidneys, and two auricles. 



Shell enveloped by a mantle. 

 DICELLURA, dlsel'ura (G. dis -f 



kulus, hollow) 422 



An order of Campodeoidea. 

 DICOTOPHYME RENALE (G. diko- 



tyledon -f- phyme, to grow in the 



body) 306 



DICOTYLEDON, dlkotlle'don (G. di, 



two; kotyledon, cup-shaped hollow). 221 

 .DICYEMA PARADOXUM, disi'ema 



( G. dis, twice + kyema, embrvo ) . . 307 

 DWYEMIDAE, disiem'ide (G. di, two 



+ kyema, embryo ) 306 



DIDELPHIA, didel'fia (G. di, two + 



delphis, womb) 426, 431. 57 



Definition of 431 



DIDELPHY8 DORSIGERA, didel'fTs 



dorsij'era 057 



DIDINIUM, cli'dinium 73.9 



DIEM ICTY LU-S VIRLDESCENS, 



dlemik'tilos (G. diameno, to perse- 

 vere + ichthys, fish ) 649 



DIENCEPHALON, diensef'alon (G. dia, 



between ; engkephalon, brain ) 



480, 840, 8J,2 



DIFFERENTIATION, dif'eren'shia- 



shun (L. differe, to differ) 



Anterior -posterior 265 



Dorso- ventral 265 



DIFFLUGIA, difloo'ji'a (L. diffluere, 



to flow apart) 148 



A genus of Rhizopods. 

 DIFFUSION (L. dis, apart; fundere, 



to pour) . 37, 38 



Becoming widely spread. 

 IUGENEA, dljen'ea (G. di, two + 



genes, sexes ) 420 



Trematod-a which pass through 



several different stages in their life 



history. 



