394 
M. Oscar Schmidt’s Bern arks upon 
Kefersteinii , Clap. (Zeitsclir. fur wiss. Zool. Bd. xxv. 1875), 
to Vogt’s remarks upon Hatschek’s memoir [ibid. Bd. xxx. 
1878), and are intended, as far as possible, to reconcile the 
numerous contradictions contained in these works. They re¬ 
late in part to the establishment of the species, in part to ana¬ 
tomy, and partly to the development of the buds—in the latter 
connexion furnishing the correction of an error into which 
Nitsche has fallen. I can, in fact, confirm by direct observa¬ 
tion, what Hatschek supposed from theoretical grounds, that 
the ectoderm of the parent animal by no means furnishes the 
whole foundation of the bud. 
The Species. —For the continuation of the investigation, 
which is very desirable, a criticism and comparative summary 
of the described species is above all things necessary. We 
do this in connexion with the annexed Table, in which the 
species are arranged in accordance with the number of tenta¬ 
cles, the development of the pedal gland, and the number of 
buds simultaneously developed. 
Loxosoma *. 
Ten¬ 
tacles. 
Pedal gland 
of the 
adult 
animal 
Buds 
on 
each 
side. 
Lives upon 
Locality. 
Described in 
1 ,*cochlear, Schmidt, 
1875. 
8 
developed. 
1 
Horny sponges. 
Naples. 
Arch. f. mikr. Anat. 
xii.; Thierl. 2te 
Anil. x. p. 181. 
2. neapolitanum, Ko- 
walevsky, 1866. 
10 
developed. 
1 
Fhyllochceto- 
pterus. 
Naples. 
Mem. Acad. St. Pe- 
tersb. x. 
3 ,*pes = singular e, 
Schmidt, 1875. 
10 
developed. 
1 
Euspongta. 
Naples. 
Arch. f. mikr. Anat. 
xii. 
4. singulare, Kefer - 
stein, 1863. 
10 
0 
1 
Capitella. 
St. Vaast. 
Zeitsehr. f. wiss. 
Zool. xii. 
5 Atethyce, Salensky, 
1877. 
12 
developed. 
1 
Tethya. 
Naples. 
Ann. Bci. Nat. 6 e s6r. 
V. 
QAraia, 8chmidt, 
1875. 
12 
developed. 
1 
Horny sponges. 
Naples. 
Arch. f. mikr. Anat. 
xii. 
7. phascolosomatum , 
Vogt, 1877. 
18 
0 
1 
Phaseolosomu. 
Roscoff. 
Arch. d. Zool. expdr. 
V. 
8*crassicauda (?), 
Salensky, 1877. 
18 
0 
4 
Annelid-tubes. 
Naples. 
Ann. Sci. Nat. 6 e ser. 
V. 
9. Kefersteinii, Clapa- 
rede, 1867. 
20 
0 
4-6 
Zoobothryum, 
Acamarchis. 
Naples. 
Ann. Sci. Nat. 5 e ser. 
viii.; Zeitsehr. f. 
wiss. Zool. xxi., 
xxv., xxv. Suppl. 
L. cochlear is not, as Vogt is inclined to think, a young- 
state of L. raja , but a good species, never varying in the 
number of tentacles in the many hundred examples seen by 
me. The absence of a figure in my memoir in the * Archiv 
fur mikroskopische Anatomie ’ is now remedied by the figures 
on page 181 of my tenth volume of Brehm’s 1 Thierleben.’ 
* The species marked with an asterisk are known to me by my own 
observations. 
