Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, Plates / Report on the Scientific Results of the Voyage of H.M.S. Challenger During the Years 1873-76, Vol. XVIII

by Ernst Haeckel

Families Lithelida, Streblonida, Phorticida et Soreumida.

PLATE 49. Lithelida, Streblonida, Phorticida et Soreumida. Diam. Page. Fig. 1. Spirema melonia, n. sp., × 300 [692] Fig. 2. Lithelius solaris, n. sp. (the first central convolutions only), × 300 [695] Fig. 3. Larcospira quadrangula, n. sp., × 300 [696] Fig. 4. Pylospira octopyle, n. sp., × 300 [698] Fig. 5. Tholospira cervicornis, n. sp., × 300 [700] Fig. 6. Tholospira dendrophora, n. sp., × 300 [700] Fig. 7. Spironium octonium, n. sp., × 300 [701] Fig. 8. Streblacantha siderolina, n. sp., × 300 [706] Fig. 8a. Outlines of the chambers, × 200 Fig. 9. Streblopyle helicina, n. sp., × 300 [707] Fig. 10. Phorticium pylonium, n. sp., × 300 [709] Fig. 11. Spongophortis larnacilla, n. sp., × 200 [711] Fig. 11a. The upper half of the cortical shell is removed. Figs. 11b to 11d. The enclosed medullary Larnacilla-shell. b, Dorsal view; c, lateral view; d, basal view. Fig. 12. Soreuma irregulare, n. sp., × 200 [713] Fig. 13. Sorolarcus larnacillifer, n. sp., × 300 [715]

PLATE 49.
Lithelida, Streblonida, Phorticida et Soreumida.
Diam.			Page.
Fig. 1. Spirema melonia, n. sp.,	×	300	[692]
Fig. 2. Lithelius solaris, n. sp. (the first central convolutions only),	×	300	[695]
Fig. 3. Larcospira quadrangula, n. sp.,	×	300	[696]
Fig. 4. Pylospira octopyle, n. sp.,	×	300	[698]
Fig. 5. Tholospira cervicornis, n. sp.,	×	300	[700]
Fig. 6. Tholospira dendrophora, n. sp.,	×	300	[700]
Fig. 7. Spironium octonium, n. sp.,	×	300	[701]
Fig. 8. Streblacantha siderolina, n. sp.,	×	300	[706]
Fig. 8a. Outlines of the chambers,	×	200
Fig. 9. Streblopyle helicina, n. sp.,	×	300	[707]
Fig. 10. Phorticium pylonium, n. sp.,	×	300	[709]
Fig. 11. Spongophortis larnacilla, n. sp.,	×	200	[711]
Fig. 11a. The upper half of the cortical shell is removed.
Figs. 11b to 11d. The enclosed medullary Larnacilla-shell. b, Dorsal view; c, lateral view; d, basal view.
Fig. 12. Soreuma irregulare, n. sp.,	×	200	[713]
Fig. 13. Sorolarcus larnacillifer, n. sp.,	×	300	[715]

PLATE 50.

Legion SPUMELLARIA.

Order LARCOIDEA.

Families Larcarida, Larnacida et Zonarida.

PLATE 50. Larcarida, Larnacida et Zonarida. Diam. Page. Fig. 1. Larnacilla typus, n. sp., × 300 [617] From the sagittal pole (dorsal view). Fig. 1a. From the lateral pole (sagittal section). Fig. 1b. From the principal pole (equatorial section). Fig. 2. Larnacalpis lentellipsis, n. sp., × 400 [620] From the sagittal pole (dorsal view). Fig. 2a. From the lateral pole (sagittal section). Fig. 2b. From the principal pole (equatorial section). Fig. 3. Larnacalpis triaxonia, n. sp., × 400 [621] From the sagittal pole (dorsal view). Fig. 4. Larnacantha hexacantha, n. sp., × 400 [622] From the sagittal pole (dorsal view). Fig. 5. Larnacantha bicruciata, n. sp., × 300 [623] Frontal view. Fig. 6. Larnacantha prismatica, n. sp., × 300 [623] Half frontal, half lateral view. Fig. 7. Cenolarcus primordialis, n. sp., × 300 [607] From the sagittal pole. Fig. 7a. From the lateral pole. Fig. 7b. From the principal pole. Fig. 8. Larcidium dodecanthum, n. sp., × 300 [612] From the sagittal pole. Fig. 8a. From the principal pole. Fig. 9. Zonarium octangulum, n. sp., × 300 [685] Frontal view. Fig. 10. Zoniscus tetracanthus, n. sp., × 300 [687] Frontal view. Fig. 11. Zoniscus hexatholius, n. sp., × 400 [687] Dorsal view (from the sagittal pole). Fig. 11a. Lateral view (from the frontal pole). Fig. 12. Zonidium octotholium, n. sp., × 300 [688] Frontal section (from the sagittal pole). Fig. 12a. Lateral view (from the frontal pole).

PLATE 50.
Larcarida, Larnacida et Zonarida.
Diam.			Page.
Fig. 1. Larnacilla typus, n. sp.,	×	300	[617]
From the sagittal pole (dorsal view).
Fig. 1a. From the lateral pole (sagittal section).
Fig. 1b. From the principal pole (equatorial section).
Fig. 2. Larnacalpis lentellipsis, n. sp.,	×	400	[620]
From the sagittal pole (dorsal view).
Fig. 2a. From the lateral pole (sagittal section).
Fig. 2b. From the principal pole (equatorial section).
Fig. 3. Larnacalpis triaxonia, n. sp.,	×	400	[621]
From the sagittal pole (dorsal view).
Fig. 4. Larnacantha hexacantha, n. sp.,	×	400	[622]
From the sagittal pole (dorsal view).
Fig. 5. Larnacantha bicruciata, n. sp.,	×	300	[623]
Frontal view.
Fig. 6. Larnacantha prismatica, n. sp.,	×	300	[623]
Half frontal, half lateral view.
Fig. 7. Cenolarcus primordialis, n. sp.,	×	300	[607]
From the sagittal pole.
Fig. 7a. From the lateral pole.
Fig. 7b. From the principal pole.
Fig. 8. Larcidium dodecanthum, n. sp.,	×	300	[612]
From the sagittal pole.
Fig. 8a. From the principal pole.
Fig. 9. Zonarium octangulum, n. sp.,	×	300	[685]
Frontal view.
Fig. 10. Zoniscus tetracanthus, n. sp.,	×	300	[687]
Frontal view.
Fig. 11. Zoniscus hexatholius, n. sp.,	×	400	[687]
Dorsal view (from the sagittal pole).
Fig. 11a. Lateral view (from the frontal pole).
Fig. 12. Zonidium octotholium, n. sp.,	×	300	[688]
Frontal section (from the sagittal pole).
Fig. 12a. Lateral view (from the frontal pole).