86 Mr. J. N. Lockyer. On the Classification [Apr. 12, 



3. Bands wide and strong, especially 7 and 8. 



No. in 

 Duner 

 Cat. 



Name. 



Max. 

 



Min. 

 



Period. 



- 



23 



T Arietis 



8 



9—10 



324 





37 



R Tauri 



7-8 



.< 13 



326 





68 



S Canis Min 



7 



< 11 



332 





76 





6 



< 11-^12 



360 1 





91 





5 



10 



313 





100 



E Urs. Maj 



6 



12 



303 





106 





>8 



<9 



160? 





118 



R Corvi 



7 



<M- 13 



319 





159 





6 



12 



223 





165 





8 



12—13 



190 ? 





170 



R Serpentis 



5-6 



<11 



358 





181 



U Herculis 



67 



11—12 



408 





192 





6 



12 



303 





195 





7-8 



12 



302 





4. All bands markedly wide and strong. 



No. in 

 Duner 

 Cat. 



Name. 



Max. 



Min. 



Period. 





18 



o Ceti 



2—5 



8-9 



(331) 





20 



R Ceti 



8 



<13? 



167 





29 





3-4 



4-2 



irreg. 



Many lines. 



92 





5 



10 



313 



141 



R Hjdree 



4-5 



40? 



(437) 





158 



V Bootis 











166 





*6 



12 



361 





184 





5 



6 



irreg. 





196 





3 



4 



irreg. 





217 





43 



4-6 



46 





221 





6-7 



11 



345 





239 



X Cygni 



4 



13 



406 





293 



R Aquarii .... 



6 



11 



388 





