Table showing Variations in the Number of Phosphorescent Organs and of Lateral-Line Sense O 



ROANS 



Specimens i to 15, Porichthys notatus. Numbers i to 7 and 11 to 15, inclusive, off the California coast. Numbers 8 to 10, off the southern Alaska coast. Specimens 16 and 17, 



Porichthys, sp. indsc, from Panama. 



No. 



I 



2 



3 



4 



5 

 6 



7 

 8 



9 



10 



II 

 12 



•3 

 14 

 15 



Aver- 

 age. 



Lateral. 

 Ph. S.O. I'h. 



Ex- 

 tremes 



26 34 



32 35 



24 35 

 23 35 



25 31 

 25 36 

 3' 35 

 28 37 



7 38 



14 36 



3' 34 



5 36 



31 35 



10 37 



12 37 



34 

 35 

 35 

 35 

 3' 

 34 

 35 



38 

 36 

 34 

 35 



36 

 36 



Pleural. 

 Ph. S.O. 



22 36 35 



16 



17 



32 38 38 



o 33 

 o 33 



33 



42 



42 



53 36 



Caudal. 

 Up- Low- 

 per. er. 

 S.O. S.O. 



43- 19- 

 62 64 



14 18 



12 13 



16 13 



23 15 



17 13 



.\nal. 

 Ph. S.O. 



35 

 34 

 36 



37 

 36 

 36 

 36 

 38 

 40 



39 

 36 

 36 



35 

 !6 



16 14 



2S 



33 

 34 



32 

 32 

 33 

 34 

 34 

 34 

 33 

 36 

 36 

 37 

 37 



32 

 j- 34 

 38 33 



36 34 



Ven- 

 tral. 

 Ph. 



32 

 39 

 32 

 31 

 27 

 27 

 26 



32 

 36 

 32 



35 

 33 

 33 

 30 

 38 



34 



Gas- 

 tric. 

 Ph. 



30 

 29 

 29 

 32 

 31 

 3' 

 28 



30 

 3' 

 27 

 32 



30 

 28 

 26 



30 



Gular. 

 Ph. 



Cas- 

 tro 

 Gular 

 S.O. 



30 



34- 32- 



40 37 



36 



38 



34 

 27 



27- 

 3' 



31 



36 

 32 

 34 

 34 

 33 

 33 

 38 

 36 

 34 

 35 

 35 

 32 

 31 

 33 



34 



48 



51 



49 



49 



45 



47 



44 



53 



59 



52 



46 



5' 

 45 

 48 



51 



49 



Scapular. 

 Ph. S.O. 



12 



7 

 10 



9 



13 



12 



II 



13 

 7 



12 

 6 



27 

 26 



27 

 27 



44- 

 59 



Scapular 

 Acces- 

 sory. 

 Ph. SO. 



16 

 17 

 17 

 20 



17 

 16 



17 



20 



19 

 18 

 16 



15 



5 '7 



10 16 



1 1 20 



Dorsal. 

 Ph. S.O. 



10 17 551 71 



3 

 O 

 O 



o 

 o 



O 



5 

 2 



O 

 O 

 O 

 O 

 O 



o 

 o 



5- '5- 



5 5 



- 14 

 4 14 



o 

 o 



70 



63 



79 

 73 

 66 

 72 

 68 

 72 



75 

 75 

 71 

 70 

 68 

 72 

 77 



Dursal 



Accessory. 



Ph. S.O. Ph. 



16 16 



8 - 



2 I I 

 O 22 

 8 22 



O 

 15 



Bran<"hi- 



ostegal. 



Ph. 



o— 63- 



5 79 



o— 8- o- 



8 22 16 



73 



64 



o 3 

 o 16 



31 



33 

 36 

 34 

 35 

 32 

 34 

 36 

 35 

 37 

 35 

 35 

 34 

 35 

 32 



Mandib- 

 ular. 

 Ph. 



20 

 22 

 18 



23 

 20 

 21 

 20 



22 



23 

 21 



23 

 19 

 21 



20 



Operculo- 

 Mandibular. 

 Ph. S.O. 



Upper 

 Opercular. 



Ph. S.t). 



+ 7+ - 



- 8+7+ - 



- 7+7+ - 

 4 lo+yH 



- 6+7+ - 



- 7+7+ - 

 4 7+7+ - 



- 9+7+ - 



- 7+7+ - 

 - 6+7+ - 



2 7+7+ - 

 o 8+7+ - 



3 6+7+ 7 



4 6+7+ 7 

 3 6+7+ 8 



8 14 

 II 14 

 10 15 



34 



u — 



37 



21 



3 7+7+ 7 



1 1 

 8 



9 

 12 



1 2 

 1 1 

 11 

 II 

 10 

 II 

 II 



9 



Lower 

 Opercular. 

 Ph. S.O. 



Preor- 

 bital. 

 S.O. 



15 

 12 



12 



14 



'4 



'5 

 12 



14 

 '3 

 14 

 16 



14 



3 



-» 

 J 



4 

 5 

 5 

 4 



5 



t 



3 



16 



16 

 19 

 13 

 15 

 '5 

 18 



19 

 16 



17 

 17 



10 14 



4 '9 

 2 19 



10 14 



4 17 



5- i 6- 7- 8- 12-I2— 13 



23 



25 

 3' 



1 8 

 '5 



10+7+ 8 



o 6+7+ - 

 o 64-7+ 7 



12 16 lo 19 



9 14 



9 14 



o 16 



2 1 1 



9 

 9 



8 



10 



7 

 8 

 8 

 10 

 II 

 10 

 10 

 r I 



7- 

 II 



6 

 6 



Suborbital. 

 Ph. S.O. 



16 



14 

 16 

 16 

 16 



15 



'5 



18 

 17 

 17 

 18 



•7 

 17 

 •7 

 17 



Tem- 

 poral. 

 S.O. 



I- 14- 

 ■i 16 



o i: 

 o r: 



Maxillary. 

 S.O. 



Malar. 

 Ph. S.O. 



Supra- 

 orbital. 

 S.O. 



2+ -i 



2+ -j 



2+ - 



2+ - 



2+ - 



2+ - 



2+ - 



2+ - 



2+ - 



2+ - 



2+ - 



2+ - 



2+ 2 



2+ 2 



2+ 2 



33 



29 



25 

 26 



; + 



'i -{- *> 



35 

 34 

 35 

 25 

 37 



3 31 



o— 25— 

 5 37 



o 25 



Outer 

 Vrontal. 

 Ph. S.O. 



luncr 



Frontal. 



Ph. S.O. Ph. 



Occipital. 

 Ph. S.O. Ph. 



5 



7 

 6 



5 

 5 

 5 

 5 

 7 

 7 

 6 



4 



5 6 



o- 5- 

 7 9 



o 10 

 o 8 



5 



5 



5 



4 



4 



3 



4 



5 



3 



7 



4 



342 



o- 3- o- 



5 7 5 



050 

 070 



9 

 10 



9 



9 



10 



1 1 



8 



9 



9 



8 



10 



4 

 3 



I 



3 



12 



12 — 



o 

 o 

 o 

 4 



2 10 2 



o- 8- o- 

 12 12 12 



on o 



