EXPLANATION OF PLATE 102 (CII) 



Figs. 1-6, X 30-40; Figs. 7-12, X 60; Figs. 13, 14, X 50; Figs. 15-18, X 40. 

 Figures 1-6. — Acervulina inhaerens Schultze. 



Figs. 1, 5, 6. Dog's Bay, Connemara, Ireland. 



Fig. 2. Challenger Sta. 172, Friendly Islands, Pacific. (18 fathoms) 

 Fig. 3. Challenger Sta. 162, Bass Strait, Pacific. (38-40 fathoms) 

 Fig. 4. Challenger Sta. 187, off Papua, Pacific. (6 fathoms) 

 Referred by Brady to Gypsina but originally described as Acervulina, which was subsequently used by For- 

 nasini, Cushman, Galloway and others. 

 Figures 7, 8?, 12?. — Tretomphalus planus Cushman. 

 Fig. 7. Pacific Ocean, surface. 



Fig. 8. Challenger Sta. 260A, Honolulu reefs. Pacific. (40 fathoms) 

 Fig. 12. Challenger Sta. 185, Torres Strait, Pacific. (155 fathoms) 

 Referred by Brady to Cymbalopora (Tretomphalus) bulloides (d'Orbigny) and by Cushman (C.C.L.F.R., 

 Vol. 10, Pt. 4, 1934, p. 94) to Tretomphalus planus Cushman {T. bulloides (d'Orbigny) var. plana Cushman 

 1924, no reference to Brady). 

 Figure 9. — Tretomphalus millettii (Heron-Allen and Earland). 



Challenger Sta. 260A, Honolulu reefs. Pacific. (40 fathoms) 

 Referred by Brady to Cymbalopora (Tretomphalus) bulloides (d'Orbigny) and by Heron-Allen and Earland 

 (Trans. Zool. Soc. London, Vol. 20, 1915, p. 690) to Cymbalopora millettii. Transferred to Tretomphalus by 

 Cushman (Carnegie Inst. Washington, Publ. 342, 1924, p. 36). 

 Figures 10, 11. — Tretomphalus atlanticus Cushman. 



Challenger Sta. 2>2>, off Bermuda, Atlantic. (435 fathoms) 

 Referred by Brady to Cymbalopora (Tretomphalus) bulloides (d'Orbigny) and by Cushman (C.C.L.F.R., 

 Vol. 10, Pt. 4, 1934, p. 86) to Tretomphalus atlanticus. 

 Figure 13. — Cymbalo poretta squammosa (d'Orbigny). 



Challenger Sta. 219A, Admiralty Islands, Pacific. (17 fathoms) 

 Referred by Brady to Cymbalopora poeyi (d'Orbigny) and by Cushman (U.S.N.M., Bull. 104, Pt. 8, 1931, 

 p. 83) to Cymbaloporetta squammosa (d'Orbigny), with poeyi d'Orbigny in synonymy. 

 Figure 14. — Cymbaloporetta bradyi (Cushman). 



Figs. 14a-c. Challenger Sta. 185, Torres Strait, Pacific. (155 fathoms) 

 Fig. 14d. Challenger Sta. 217A, Papua. (37 fathoms) 

 Referred by Brady to Cymbalopora poeyi (d'Orbigny) var. and by Cushman (U.S.N.M., Bull. 71, Pt. 5, 

 1915, p. 25) to Cymbalopora poeyi var. bradyi. Cushman later (Carnegie Inst. Washington, Publ. 342, 1924, 

 p. 34) raised this to specific rank as Cymbalopora bradyi and Thalmann (Eclog. geol. Helv., Vol. 25, No. 2, 

 1932, p. 310) transferred it to Cymbaloporetta. 

 Figures 15-18. — Cymbaloporella tabellaeformis (Brady). 



Figs. 15, 18. Challenger Sta. 174C, off Fiji, Pacific. (210 fathoms) 

 Fig. 16. Challenger Sta. 192, Ki Islands, Pacific. (129 fathoms) 

 Fig. 17. Challenger Sta. 209, Philippines, Pacific. (95-100 fathoms). 

 Referred by Brady to Cymbalopora and by Cushman (C.C.L.F.R., Vol. 3, Pt. 1, 1927, p. 81) to Cymbalo- 

 porella, as the genotype. 



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