388 EXPLANATION OF PLATES, VOL. XXV. 



PIGURE 



12. Lyropupa thaanumi C. & P. Auwahi. 11043BM ... 242 



13. Lyropupa thaanurai C. & P. Auwahi. 119452 242 



PLATE 21. 



1. Lyropupa clathratula Anc. Olaa, Hawaii. 18768 .... 245 



2. Lyropupa microthauma Anc. Nuuanu. 11045BM . . . 238 



3. Lyropupa microthauma Anc. Nuuanu. 21562BM. .. 238 



4. Lyropupa truncata Cooke. Kohala Mts. 36996 247 



5. Lyropupa mirabilis Anc. Popouwela. 11046BM 249 



6. 7. Lyropupa mirabilis Anc. Popouwela. 108910 .... 249 

 8, 9. Lyropupa antiqua C. & P. Manoa. 119472 250 



10. Lyropupa spaldingi C. & P. Puu Kaua. 119470 248 



11. Lyropupa antiqua. Type ; Manoa. 11047BM 250 



12,13. Lyropupa spaldingi C. & P. Puukaua. 11048BM. 248 



PLATE 22. 



1-3. 9. Lyropupa kahoolavensis P. & C. Type, fig. 1, and 



paratypes. Kahoolawe. 108871 256 



4, 8. Lyropupa kahoolavensis P. & C. Kona crater, Ha- 



waii. 119466 256 



5. Lyropupa perlonga interrupta P. &C. Kahuku. 119446. 261 



6. Lyropupa sparna C. & P. Kalihi. 33627BM 252 



7, 10, 11. Lyropupa sparna C. & P. Pipe-line, upper 



Kaunakakai. 108919 252 



12. Lyropupa hawaiiensis Anc. Palihoukapapa. 119468. 251 



13. Lyropupa sparna sdnulifera P. & C. Western ravine 



of Kamalo, Molokai. 119429 253 



14. Lyropupa hawaiiensis Anc. Palihoukapapa. 119468. 251 



PLATE 23. 



1,2. Lyropupa perlonga Pse. Type (a worn specimen). 



Nuuanu. 48063 Mus. Comp. Zool 258 



3-5. Lyropupa perlonga Pse. Typical. Bench of consoli- 

 dated coral sand east of Diamond Head. 11052 

 B. M., f. 3, and 119473, f . 4, 5 258 



6. Lyropupa perlonga Pse. Recent. Koko Head. 11053 



BM 258 



7. Lyropupa micra C. & P. Rocky Hill. 11056BM 263 



8. Lyropupa cylindrata C. & P. Makua. 11054BM 261 



9. Lyropupa cyrta C. & P. Mana. 11060BM 268 



10. Lyropupa cyrta C. & P. Mana. 119441 268 



11. Lyropupa ovatula C. & P. Manoa. 11059BM 265 



