ile Bret 
Geology and Natural History. 485 
4. Ephemeris of 6 Satellites of Mars.—The following tables 
ge a portion of the ephemeris, calculated by Professor H. 8. 
; table II gives the times of west ne Seen for 
The effect of aberration (not included) would make the 
satellites about five minutes aye te a elongation. 
! 
Date, ie | os. | Dist Date. “ 1 = Dist. ||Date.| MrT” | Ang, | Dist. 
| | 
Dec. | h. mi, | | Dee. | eae «1 | ie Dec.| bh. m. - ce 
13 | 2i 249°7| 63°2|| 201.19 47 |..22|.2. ag ere HOA rays 
14} 12 a wus bf HSL By -Ok aged ies 989 20 oc watts 
46. 0°38, PAB ce fedce Hebe dt 2 eas al oe pe eae eats 
Peis | ier Pal es Leselt oa. | 2U, 10 tose 20) 16°°36:). cco. ee 
A aan Bee ie Bae eee | 23 B.< 1945. oh cee Te Mia ier 
ATO BO FOI ce ae Se ae 30°) BP 68 [LS seve 
17 | 16 ot bee dO: eae Fo eee Stok 18 Ocal sag nee 
eS, fave 2) Sees lowe: [PSB dn BAN Secbew oc Jan. 
18.1.9) 98 |---|], 25 | 20, 49 }.-- je... ; Oa Mie ate, one es PAE 
We SL te |---|] 26 | 11 BT jlo 1 | 19 15 | 245-9) 52-4 
20 | 4 39 248-6, 53-7|| 27 | 8. CLS ae 
If. PuHosos. 
Date. Bee pts Dist. || Date. Mg Ree. Dist. || Date Weak. phe Dist. 
Dec.| h. m. 2 yt eee) ae ’ au || Dec m. ° is 
Sp 8 BI yeas s coe ae | OS TE Lae cel) SO awe a 
21848 cko awe] 20:4- B61 194861915!) 96 1-92 - 82 Lic goal 
13. | 20 49 | 249-7] 91°3}} 20 | 13.30 |....2)5- dt Se Or 2k lek rae 
403 3b ciel S06 bat eae el aL ie Oe ec 
Oe Okie Beets Soy SE ee ae oe i Sele i ate 8 iran bes 
ay 18 16 a oH 81 [18 SIR ee eee ee ma 
.) 2. i écsadh BE PO eee ode 96 (AS RE es oe 
tA L.. ute aa Se oe Se 8 28 Oe ae 
6-1. 18 ae oalpe ekd RO iene eer ee Be Tan eas Sie 
G19 SS eal 201 18 OE oe ee ae LE eee oe 
i610") 9-4 Sa ag | oa Sct 80 118 Sea aie 
6) Ai ice, op a Boy Ae Se pg on a. Bl gee aur. ay ret aie 
i fs 90 cigs BO 18 2 de ent 80 1.90; €2 ieee aca 
At 8-68 ks sae Se Od ee tele ot OO) 28 2h nan 
46 oe Stoll $6 9 eae eA re 
18 {6719 bc es coeelnas OP becuse oa 
TY £6 fo a6 4 8 BT Sf eS AP Ie a, 
16°) 16.788 [2 waste Se Be Jan 
18): 98 Wi ae ee ee, .-|| 1 | 0 57 | 246-0) 21-1 
1 4 OP aaua{j 25 | 23 84 | 247-3) 31°4 
10 ee 26 MT maroon eepas 
Il. Grotoagy AND Natura History. 
1. Bree tee Survey of pied, icetrE The following vol- 
umes have recently been issued at Harri 
Report of Prodi in Jefferson vounky (oumbered H6), by 
. G. Pratt, 216 pp, 8vo, with a colored map of the county. 
