498 
EMBRYOLOGY OF THE TURTLE. 
Part III. 
It is not easy to ascertain the length of time during which the eggs remain 
in the oviduct after they have escaped from the ovary; 
observation it remains a matter of conjecture. Referring to the tables’ inserted 
1 The observations recorded here were chiefly made 
with the view of ascertaining how long the eggs re- 
OZOTHECA ODORATA. 
from want of direct 






















































care : i ‘ Ovarres. | Ovipucts. 
main in the oviduct, and also the time of laying. Tun- Dare. _|Lai. REMARKS. 
. ; ex 
dreds of Turtles were opened besides, for the purpose Right.| Left. Right. Left. 
of ascertaining the average number of eggs which 1p rn 
j , June 5,54 | — | —)| 38 3 | — In confinement. 
different species lay, and also to trace the passage of June 7,64} — |—]| 2 | 2)—|* a 
: : June 23,755) — | — | — | — |laid |Three eggs. 
the eggs from the ovary of one side to the oviduct of duly 3,565 | — | — | — | — |laid |In confinement. 
July 10,55) — | — | — | — laid | * oe 
the other side; but the facts ascertained in that way 
were not tabulated, and are simply mentioned in the 
aes ply CHRYSEMYS PICTA. 
text. The queries indicate simply that the eggs were 
not counted. Ovaries. | Oyrpucrs. 
DATE. Lai. REMARES. 
CHELYDRA SERPENTINA. Right.| Left.| Right. | Left. 
Ovaries. | Ovipucts. May 12,54, 4 | 2 | — | — | — /In confinement. 
DATE. —— Lai. REMARKS. May 15, 54| 3 2 | eee “ 
; ; May 16,’64 2 | 38 | — | —|— |‘ < 
Right. Left. Right. Left. Mae goede) | | | ele « 
June 3,752 | — |— | 7* | — | — |“ “One, shell soft. 
see - June 11,755] — | — | — | — |laid |In confinement. 
June 10,55) — | — | — | — laid Hipavaty a yaaa At mem Us ieetal | “ 
June 12, 54) — | — | 40*| — | — |In confinement. Nee eta ee dc |S iat | “ 
June 12, 55) — — —_ — |laid June 20. Bal ZS es — |laid | “ 
June 13,55} — | —]| — | — laid poorest) oon WS male “ 
|June 15,54) — | —]| 36*| — | — |Cicatrices, 21 in the left Tune d15o\ ye | — | — | = |=) confinement Next 
and 15 in the right - 4 . 
ovary. In confinement y 2 eae’ brood: 
. . > — = aad — . 
rane 78 p6| = eae laid June 25, ’55 Opened as soon as caught. 
June 18, 55) — | — | 71*| — | — |Taken from two animals. 
June 19,55) — |—| ? |—]|— |Out of seven animals 
opened, two had not yet GRAPTEMYS LeSUEURII. 
laid. 
June 20, 55] — | — | — | — | — |This was opened July 20, 
and found to contain Ovaries. | Ovipucts. 
, eggs. See that date. Dare. Lam, REMARKS. 
June 20,56) — | — | — | — Jlaid 
June 21,55) — | — | — | — Jlaid Right. | Left. |Right.| Left. 
June 22,54 — | —} — | — |laid |In confinement. 
June 23, 54 — | — | — | — Jlaid |In confinement. 
|June 23,65} — | — | — | — |laid June 1,°56 | — | —| — | — |laid |Natchez, Miss. 
June 23, ’64, — | — | — | — |laid |In confinement. 
June 25,55) — | —| — | — |laid |Seen laying, but eggs not 
collected. 
\July 20,65) — |—]| ? | —]|— |Embryos alive. In con- PTYCHEMYS CONCINNA (Floridana.) 
finement. ; 
Ovaries. | OvipucTs. 
hep 17 HT: Dare. Z Lar. R b 
CINOSTERNUM PENNSYLVANICUM. is aa aT a 
Right. | Left. | Right.| Left. 
Ovaries. | OvipucTs. 
Date. Lar. REMARKS. July 12,°56) — |— | 6 6 | — |Inconfinement. Natchez. 
Right. Left.|Right.| Left. 
} | 
MALACOCLEMMYS PALUSTRIS. 
July 8,’566 | — | —| 4* | — | — |All specimens of this spe- ud 
cies were in confinem’nt. 
July 80,65) 8 | —| 1 | — | — |Three of the eggs just rea- Ovaries. | OvipucTs. 
dy to enter the oviduct. Date. Lar. REMARKS. 
“ oh || ee he 
“ 1 | ey ano | Right. | Left.| Right.| Left. 
e 2}/1|/—]|—|]— - ; 
“ 2 |—| — | 1 | — |Two of the eggs just rea- . 
dy to enter the oviduct. July 2,765 |} — |}— | — | — laid In confinement. 
Oct. 7,’56 | — | —| — | — Jlaid |Probably not fecundated. July 3,755 | — | —| — | — flaid|“ Wd 
No embryo visible. July 12,65) — 8], 2);—\|" 
L 



