HYDROIDS OF THE HAWAIIAN ISLANDS. 
959 
Fig. 1. 
2-4. 
5. 
6. 
Fig. 1. 
3. 
4. 
5. 
Fig. 1. 
. 2 
4. 
5. 
6. 
Fig. 1. 
4. 
6. 
7 . 
PLATE X. 
Lictorella halecioides (Allman), cross sec- I 
tion of part of “coppinia” mass. 
Lictorella halecioides, gonangia. 
Lictorella ceryicornis Nutting, part of> 
branch. 
Lictorella ceryicornis, hydrotheca (much 
enlarged). 
Lictorella ceryicornis, nematophore (great- 
ly enlarged). 
Lictorella ceryicornis, group of gonangia 
with phylactogonia. 
PLATE 
Sertularella dentifera Torrey, gonangium. 
Sertularella torreyi Nutting, part of stem 
with gonangium. 
Sertularella torreyi, end of branch. 
Sertularella crenulata Nutting, part of 
branch. 
Sertularella crenulata, hydrotheca (much 
enlarged). 
Fig. 9. Litorella ceryicornis, single gonangium 
with phylactogonium. 
10. Cryptolaria symmetrica Nutting, proximal 
part of branch. 
11. Cryptolaria symmetrica, distal part of 
branch. 
12. Cryptolaria operculata Nutting, part of a 
branch. 
13, 14. Cryptolaria operculata, single hydrothecae. 
15. Sertularia snyderi Nutting, part of colony. 
XI. 
Fig. 6. Sertularella crenulata, gonangium. 
7. Sertularella crenulata, end of gonangium 
•showing aperture. 
8. Diphasia palmata Nutting, part of stem. 
9 and 10. Diphasia palmata, front and lateral 
views of gonangia. 
PLATE XII. 
Plumularia jordani Nutting, part of a 
colony. 
Plumularia jordani, hydrotheca and nema- 
tophores (greatly enlarged). 
Plumularia delicata Nutting, part of 
branch. 
Plumularia. delicata, hydrothecate inter- 
node (much enlarged). 
Plumularia delicata, gonangium. 
Plumularia milleri Nutting, part of colony 
with gonangia. 
Plumularia milleri, hydranth. 
Fig. 8. Monostaechas fisheri Nutting, part of 
branch. 
9. Antennella complexa Nutting, part of 
branch. 
10. Lytocarpus hawaiensis Nutting, part of 
stem showing branch origin and nema- 
tophores. 
11. Lytocarpus hawaiensis, hydrothecae. 
12. Lytocarpus hawaiensis, gonangium with 
phylactogonium. 
13. Lytocarpus hawaiensis, side view of 
gonangium. 
Thecocarpus niger Nutting, three hy- 
drothecae. 
Thecocarpus niger, onehydrotheca (greatly 
enlarged). 
Thecocarpus niger, part of stem, showing 
nematophores and hydrocladial origin. 
Thecocarpus niger, corbula. 
Thecocarpus niger, section of corbula, 
showing gonangium. 
Thecocarpus niger, corbula leaf with 
basal hydrotheca. 
Lytocarpus balei Nutting, three hydro- 
thecae. 
Lytocarpus balei, branchlet with go- 
nangia. 
9. Lytocarpus similis Nutting, three hydro- 
thecae. 
10. Lytocarpus similis, gonangia on branch- 
let. 
11. Halicornaria flava Nutting, three hydro- 
thecae. 
12. Halicornaria flava, gonangium. 
13. Halicornaria bryani Nutting, three hydro- 
thecae. 
14. Halicornaria bryani, gonangium. 
PLATE XIII. 
Fig. 8. 
F. C. B. 1903, Pt. 3 — 13 
