JOURNAL OF MICROSCOPICAL SCIENCE. 



EXPLANATION OF PLATES III, IV, & V, 



Illustrating Mr. Henry B. Brady^s "Notes on some of tiie 

 Reticularian Rhizopoda of the 'Challenger' Expedition." 



PLATE III. 



Figs. 1, 2. — Pelosbia variabilis, n. sp. Magnified 9 diameters. 



Fig. 3. — Section of the same showing tlie thickness and texture of the 

 test. X 9 diam. 



Fig. 4. — Pelosina rofumiata, n. sp. x 20 diam. 



Fig. 5. — Transverse section of the same showing tlie interior and the 

 thickness and texture of the test. X 15 diam. 



Figs. 6, 7. — Aschemotiella scahra, nov. X 14 diam. 



Fig. 8. — Mar sipella granulosa, n. sp. x 12 diam. 



Fig. 9. — Specimen of tlie same species laid open longitudinally to show 

 the interior and the texture of the test, x 15 diam. 



Fig. 10. — Rhabdanimina linearis, n. sp. X 20 diam. 



Fig. 11. — The same laid open longitudinally, x 20 diam. 



Fig 12. — Jaculella acuta, nov. X 9 diam. 



Fig. 13. — The same laid open ; specimen slightly broken at the ends in 

 grinding. X 9 diam. 



Figs. 14, 15. — Bt/perammina ramosa, n. sp. x 16 diam. 



PLATE IV. 



Fig. 1. — Psammosphmra fusca, F. E. Schulze. Magnified 40 diameters. 



Fig. 2. — The same; specimen built on a sponge spicule, laid open so as 

 to show the interior. X 50 diam. 



Fig. 3. — Reophax difflugiformis, n. sp. X 50 diam. 



Fig. 4. — Hormosina globulifera, n. sp. Specimen arrested in growth 

 afier the formation of a single large chamber, x 20 diam. 



Fig. 5. — The same; with two chambers. Large specinieus with four or 

 five segments are not uncommon. X 20 diam. 



Fig. 6. — Hormosina ovicula, n. sp. x 12 diam. 



Fig. 7. — Reophax nodulosa, n. sp. x 12 diam. 



Fig. 8. — The same laid open to show the interior structure, x 12 diam. 



Fig. 9. — Reophax membranacea, n. sp. X 40 diam. 



Figs. 10, 11. — Reophax spiculifera, n. sp. X 40 diam. 



Figs. 12, 13. — Astrorhiza catenata, Norman, x 25 diam. 



Fig. 14. — Astrorhiza cornuta, n. sp. X 20 diam. 



Fig. 15. — The same, x 15 diam. 



Fig. 16. — Rhizammina algfeformis. nov. Natural size. 



