40 REPORT—1845. 
Proximate analyses of the feeces of the following cases are also given. In 100 parts 
of the dried residue of the feces of a man in perfect health and living on an ordinary 
mixed diet, there were— 
Substances soluble in zether (brownish yellow fat)... 11°95 
hy alcohol of *830 ...... Pato: 10°74 
i water (brown resinous matter) 11°61 
Organic matter insoluble in the above menstrua...,.. 49°33 
Salts soluble in water..........ceeeeee- Sitesserccecnstettece 4-76 
Salts insoluble in water......... epi sceed ee aeoeraee ~) AGE 
In 100 parts of the dried faeces of a man (Flint) labouring under confirmed diabetes 
and living almost entirely on animal food, there were found— 
Substances soluble in cether ...sceccscsccessecceeeeeeecens 22:00 
ns alcohbl!* 223,235; Sreevcceseavee 11-13 
a WALOD Neuere ccoustteescsecoeseskeeene 12:02 
Organic matter insoluble in the above menstrua...... 45°49 
IARI Soha es eetetbeca rene cae cdot weit ETOAC ees 9°36 
On a subsequent examination, the dried feces of this individual yielded 51-55 per 
cent. of fat. ‘The results of his ultimate analyses are given in the following table :— 
Man in 
health. | Manin | Child. Man. Man. Man. Man. Man, | Girl with 
Ordinary | training. | Diabetes.| Diabetes.) Diabetes.| Diabetes.) Diabetes.| Diabetes.| Jaundice, 
diet. 
ms 2. CON as Sar ia a =p a Soe ders 6 vali ae 
Gale. 46:20 | 49-79 | 43:86 | 54-35 | 60-34} 53-09 | 45°81 | 45-97 | 51-51 
ge 672| 7-06| 696| 7:57| 925| 7:97] 7:59| 7271] 7-29 
N&O...} 30-71 | 28-64 | 29-09 | 28-72 | 17-18 | 21:34 | 25-42 | 24-66 | 29-10 
Ash..ie. 16-37 | 14:51 | 2009 | 9:36 | 13:23} 17-60} 2118 | 22-10] 12-10 
100-00 | 100-00 | 100-00 | 100-00 | 100-00 | 100-00 | 100-00 | 100-00 | 100-00 
Table of Composition, exclusive of Ash. 
Boil pied Bae coh 4, iid i a AE AMG em 
ae 55-24 | 58-24 | 54-88 | 59-96| 6953 | 6443 | 5811 | 59-01 | 58-60 
qe: 303 | $25|/ 870| $35} 1066| 967] 962! 933| $39 
N&o..| 3673 | 3351 | 36-42] 31-69 | 19-81 | 25:90! 3227| 31-66] 3341 
100-00 | 100-00 | 100-00 | 100-00 | 100-00 | 100-00 | 100-00 | 100-00 | 100-00 
GEOLOGY AND PHYSICAL GEOGRAPHY. 
On the Geology of the Neighbourhood of Cambridge, including the Formations 
between the Chalk Escarpment and the Great Bedford Level. By the Rev. 
Professor Sepewick, fc. 
Tue author first called attention to the map of the immediate neighbourhood, and 
pointed out the great irregularity of the chalk escarpment. There is indeed a pretty 
well-defined terrace, composed of chalk with flint, running eight or ten miles to the 
east of Cambridge, and seen in the hills near Royston and Newmarket; but several 
miles in advance of this terrace are great spurs of the lower chalk, one of which 
forms the well-known ridge of the Gogmagog hills. Some of these formations or 
