CONTENTS. XVil 
Page 
On Androgynous Cones in Pinus Thunhergit, and some remarks on their 
Moranology.. By F. ERNEST WEISS ............cccoesssseadessnssscctaccerensede 854 
. On a curious Cell-content in Zucommia ulmoides (Oliv.). By F. Ernest 
RRTER me cas Pane hese cele ntataies siswilessasorsc dice adesvuaepamevaeaepneseecdeaade de due 854 
. On an Abnormality in Tropeolum, with Remarks on the Origin of the 
enn Esy Fe LQRASOF Ace DANN | een ante «cannes chek oaseavadeidpanunnenndusas ces nah 855 
. Notes on the Natural History of Hierro and Graciosa, two outlying 
members of the Canary Islands. By the Rey. Canon Tristram, F.R.S. 855 
. Contributions to a Knowledge of the Composition of the Human Lens, 
especially in reference to the changes it undergoes with age and in 
cataract. By Wuiti1am Jos Corrins, M.D., M.S., B.Sc., F.R.C.S. ...... 855 
8. Indications for the Cure of Infectious Diseases. By E. H. Hanxin, B.A. 856 
_ 9, Experiments with Drugs as a Question of Science. By WintrAm Smarr, 
BBE apie ts ices aac cemebceh cnartac atte is cae s cecciekip ade sale Acacias JoWs-is< senuacnisine ds 859 
10. On the Incubation of Snakes’ Eggs. By Dr. WALTER SIBLEY............... 860 
: 11. Some of the probable causes of Variation in the Eggs of Birds. By H. B. 
ETSY ISUSO IN, Vhs cccee « vs.dela va ctdh vem cals aW aeaasiscnaat efeipeh selvaesnlastlansRbadsea teach dlienc sacle 860 
MONDAY, SEPTEMBER 8. 
1, On the Development of the Head of the Fly of Chironomus, By Pro- 
fessor io.C, MrATr AML. S4-andeAy ELAarronD OIG i ecatessoncessccensce 860 
2, On the Structure of Muscular Fibre as demonstrated by ‘ Castings’ taken 
Seeemanir, By J, 1s, PIAYOHART li occs cases envacasatiaaacced sueuese dade 860. 
3. Notes on the Anatomy and Morphology of the Cystidea. By P. H. 
MA TATEPON DIR LU EUIS acalss vv cacbas Paviecarsealaeaueweee tl ee biledesmeaeeeel ce teseh doe 860 
4,On Variability in Development. By Professor A. Minnrs MarsHatt, 
eee eC ir Dy OESEBA oocs Fe 59 Lin doh enh. - ddvnonichoeni usin’ clos needs masltseincmny net 861 
5. On Secreting Cells. By Professor G. Grson.......... Ba dike nails ck cates 861 
6. On the Regeneration of Lost Parts in Polyzoa. By Sronzy F. Harmer, 
a aia cnc k te dette eae Aan clip eB g fF cn ace AE Sadan tes aides ack a dasahp- kant 862 
. On the Meaning of the Ampulle in Millepora murrayi (Quelch). By 
Be EMELEOKAONS MGA. A MOUSOS  sson cs 2 cvneva cat necads dsiines samsde side aastedemtadeioges de 863 
. On the male Gonangia of Distichopora and Allopora. By 8. J. Hickson, 
Ean oe Soltek oon oars ot Supine toees otmas'ae valde «tp Ce apuin a otaaanme anpacuaehacn tks 864 
- On the Tracheal Occlusor Apparatus in Insecta. By Professor A. Denny 864 
10. The Life-History of the Hessian Fly, Cecidomyia Destructor (Say). By 
DIK oe cn isisa ein oican Ae enone ned «se vaiann sidan Seep tMeReRCS oc 52 AYE ed oreo 864 
11. Notes on the Spawning of the Anguilla. By the Rey. J. E. Fraser...... 866 
TUESDAY, SEPTEMBER 9. 
1. On the Power of certain Bacteria to form Organic Compounds from 
Inorganic Matter. By R. WARINGTON, F.RAS. ...........cccsseecceseceseeeess &66 
2. Notes on Phylloglossum. By Professor F. O. BOWER ............00eceeeseeee 867 
3, On the Question of the Phylogeny of Ferns, By Professor F. 0. Bowrr 867 
4, On Hybrids and their Parents. By Dr. J. M. MACFARLANE «............00. 867 
5. Dehiscence of Fruit of Ecballium elaterium. By Professor T. Jonnson, 
BiSer EWES? x. anseecewtts ss Negi ociackere ey etey sha sit aaseuctoh apts Pe dWandedevs tae sict 867 
1890. a 
