[1920-1922] 



50 



Daun (Eifel).— 1, Otten, T. 

 Dauphine (France). — 1, Kilian, W. ; 



2, Kilian, C. C. W. 

 Daviesiella. — 2, Jackson, J. W., 1, 2. 

 Davyne. — 0, Cesaro, G. ; 2, Brauns, 



R., 14. 



Dayiceras. — 0, Spath, L. F., 3. 



Daylesford (Vict.). — 0, Whitelaw, 

 H. S., 3 ; 2, Baragwanath, W., 2. 



Deal (N.J.).— 1, Keeley, F. J., 2. 



Debris, hydraulic-mining. — 0, Gil- 

 bert, G. K. See also Rock-debris. 



Debye-Scherrer diagrams. — 2, 

 Rinne, F., 4. 



Decalcification. — 1, Douville, H., 8 ; 

 2, Segre, C. 



Decapoda, Cretaceous. — 0, Clark, 

 W. B., 2. 



, Eocene. — 2, Van Straelen, V., 



3- 



, Jurassic. — 2, Van Straelen, V., 



5, 6. 



, Tertiary. — 1, Van Straelen, V., 



2. 



. See also Brachyura & Mac- 



rura. 



Deccan (India). — 2, Washington, H. 

 S., 8. 



Deccan Trap series, Central Pro- 

 vinces. — 0, Hallowes, K. A. K. 



Decomposition, rocks. — 0, Clarke, F. 

 W. See also Weathering. 



Dee R. (Scotland).— 0, Roberts, C. H. 



Dee R. basin (Scotland).— 0, Bremner 

 A., 3. 



Deeckeite. — 2, Scellner, J. 



Deep-sea sediments. See Sediments. 



Deer L. area (Newfoundland). — 2, 

 Landell-Mills, T. 



Deformation. — 0, Bowen, N. L., 2 ; 

 Schmidt, W. ; 1, Gordon, C. E. ; 

 Hobbs, W. FL, 5. See also Cale- 

 donian deformation. 



Dehydration, crystals. — 0, Gaude- 

 frov, C. ; 1, Grengg, R. ; Merwin, 



H. E. 



Deinosauria. — 0, Gilmore, C. W., 6 ; 



I, Drevermann, F., 3 ; 2, Nopcsa, 

 F., 9 ; Parks, W. A., 2 ; Pom- 

 peckj, J. F., 4 ; Reis, O. M., 2 ; 

 Virchow, H. 



, Cretaceous. — 0, Gilmore, C. 



W. ; Lambe, L. M. ; Lull, R. S. ; 

 Matley, C. A., 1, 2 ; Nopcsa, F., 

 1, 8 ; Osborn, H. F., 9 ; Parks, 

 W. A. ; 1, Ballerstedt, M., 1,2; 

 Gilmore, C. W., 1, 2 ; Kadic, O., 

 4 ; Lambe, L. M. ; Lull, R. S. ; 

 Nopcsa, F. ; 2, Gilmore, C. W., 

 1-3 ; Matley, C. A. ; Nopcsa, 

 F., 1, 11 ; Sternberg, C. M. ; 

 Wrather, W. E. 



, Jurassic. — 0, Huene, F. v., 2 ; 



Osborn, H. F., 9 ; 1, Osborn, H. F., 

 6 ; 2, Huene, F. v., 13. 



, Lias. — 1, Andrews, C. W., 2. 



, Mesozoic. — 0, Hennig, E., 4. 



, Tendaguru beds. — 2, Janensch, 



W. 



Deinosauria, Trias. — 0, Emerson, B. 

 K. ; 2, Broili, F. ; Huene, F. v., 2, 

 3, 6, 9. 



, classification. — 0, Nopcsa, F., 



5 ; 2, Nopcsa, F., 5, 8. 

 , evolution. — 0 & 2, Nopcsa, F., 



7- 



, nomenclature. — 0, Nopcsa, F., 



4 ; 2, Hennig, E., 3 ; Nopcsa, F., 4. 

 , reconstruction.— 0, Gilmore, C. 



W., 2, 3 ; Gregory, W. K., 2 ; 



Osborn, H. F., 10, 11 ; 1. Gilmore, 



C W., 3. 



, sex-differences in. — 0, Nopcsa, 



F., 6 ; 2, Nopcsa, F., 2, 6. 

 Delafossite. — 2, Rogers, A. F. 

 Delaware (U.S.A.).— 0, Clark, W. B., 



3 ; 1, Bascom, F., 2. 

 Delemont (Berne).— 2, Keller, W. T. 

 Delhi Ouartzite series, Bombay Presi- 

 dency. — 1, Middlemiss, C. S. 

 Delsberg. See Delemont. 

 Delta, British Columbia. — 1, John- 

 ston, W. A., 1, 2 ; 2, Johnston, 



W. A., 1, 4. 



, Danube R.— 2, Antipa, G. 



, Palaeozoic, New Brunswick. — 0, 



Matthew, G. F. 

 Deltaic sediments. See Sediments. 

 De Montigny, L. area (Queb.). — 0, 



Mailhiot, A. 

 Dencca. — 2, Founder, G. 

 Denbighshire. — 0, Acton, T. A. ; 



Wills, L. J., 1, 2 ; 1, Wills, L. J., 2 ; 



2, Wills, L. J. 

 Dene-hole, Essex. — 0, Thompson, P. 

 Denmark. — 0, Roerdam, K. ; 1, 



Anon., 9 ; Hintze, V. ; Milthers, 



V., 2, 7, 9 5 2, Vogt, T., 3. 

 , Cretaceous. — 0, Nielsen, K. B., 



2 ; 1, Nielsen, K. B., 1-3 ; Rosen- 



krantz, A., 2. 



, geological survey. — 2, Denmark. 



, peat-bogs. — 0, Steenstrup, 



Japetus ; 1, Jessen, A., 2. 

 , Quaternary. — 0, Johansen, A. 



C. ; 1, Milthers, V., 3-6, 8. 

 , Tertiary. — 1, Bceggild, O. B. ; 



Gagel, C, 7 ; Madsen, V. ; Rosen- 



krantz, A. 

 . See also Bornholm, Jutland, 



&c. 



Density, minerals & rocks. — 1, Adams, 

 L. H. ; Day, A. L. ; 2, Scbwarz, 

 M. v. ; Washington, H. S., 9. 



Dent Blanche (Valais). — 1, Barthol- 

 mes, F. 



Dent du Midi (Valais). — 2, Stauf- 



facher, J., 3. 

 Dentalium.—Q, Cossmann, A. E. M. 

 Dentaux, Grottes des (Vaud). — 2, 



Guillarmod, J. J. 

 Dentellocaracohis. — 2, Oppenheim, P., 



10. 



Denudation. See Erosion. 

 Deposition, coastal. — 2, Johnson, 

 R. H., 2. 



, seasonal. — 2, Sayles, R. W., 3. 



. See also Sedimentation. 



