REPORT ON THE MYZOSTOMIDA. 
17 
Species of Myzostoma. 
Host. 
Received from. 
’ Antedon incequalis , P. H. C. 
Challenger Expelition. 
,, incisa, P. H. C. 
Do. 
do. 
M. tenuispinum, n. sp. 
- 
„ angusticalyx , P. H. C. 
Do. 
do. 
„ hasicurva , P. H. C. 
Do. 
do. 
M. willemoesii, n. sp. 
Antedon hasicurva, P. H. C. 
Do. 
do. 
( ,, incequalis, P. H. C. 
Do. 
do. 
M. inflatory n. sp. 
J 
1 
Antedon angustiradia, P. H. C. 
Actinomeira pulchella, Pourt., sp. 
Do. 
“ Blake. 
do. 
j 
f Antedon angustiradia, P. H. C. 
i 
Challenger Expedition. 
M. murraiji, n. sp. 
< 
„ radiospina, P. H. C. 
Do. 
do. 
l „ duplex, P. H. C. 
“ Blake. 
1) 
Stelechopus hyocrini, n. g., n. sp. 
Hyocrinus, sp. 1 
Challenger Expedition. 
Table II. 
List of Crinoids on which Myzostomida have been hitherto found. 
Host. 
Species of Miyzostoma. 
Living. 
Antedon angusticalyx , P. H. C. 
M. tenuispinum, n. sp. 
In roundish arm cysts. 
1 M. inflator, n. sp. 
In independent sessile cysts. 
,, angustiradia, P. H. C. 
( M. murrayi , n. sp. 
In independent stalked cysts. 
r™ 
In spiral malformations of the 
„ hasicurva, P. H. C. 
pinnules. 
V M. tenuispinum, n. sp. 
In roundish arm cysts. 
f M. dentatum , n. sp. 
Free. 
„ hidentata, P. H. C. 
-j M. quadrijilum, n. sp. 
Do. 
[ M. jiliferum, n. sp. 
Do. 
„ carinata, Leach, sp. 
M. gigas, Liitken. 
Do. 
(ZOOL. CHALL. EXP. PART XXVII. 1884.) Dd 3 
