BULLETIN OF THE MUSEUM OF COMPARATIVE ZOOLOGY, 
Fig. 37. Ophiocnida abnormis, below ; ۰ 
Fig. 38. ۳ ic above; $. 
Fig. 39. “ t arm-joints ; ۰ 
Fig. 40. Ophiochæta (?) mixta, below; $. 
Fig. 41. ^i * — above; 3. 
Fig. 42. di e arm-joints ; 4. 
PLATE III. 
Fig. 43. Ophiozona tessellata, below ; 4. 
Fig. 44. s y above ; 4. 
Fig. 45. E ds arm-joints; 1. 
Fig. 46. Ophiomusium planum, below; 8. 
Fig. 47. ds ie above ; 3. 
Fig. 48. yi ** — arm-joints; 3. 
Fig. 49. Ophioconis miliaria, below ; 3. 
ma e 
> 
above; 3, 
arm-joints ; $. 
Ophiolipus Agassizit, below; $. 
LI] 
66 
66 <“ 
مر 
above ; 2. 
da 
ی‎ C O Ot 6x 
E 2 bo 
UE 
Fig. i via arm-joints ; 2, 
Fig. 55. Sigsbeia murrhina, below ; $. 
Fig. 56, 7e di above; 5. 
Fig. 57. En de arm-joints near base of arm ; $. 
Fig. 58. d pe arm-joints near tip of arm ; $. 
h 
Fig. 59. Astroschema intectum, below; $. The first pore usually has no ten- 
tacle-scale. 
Fig. 60. 5 de above; $: 
Fig. 61. " - arm-joints ; ۰ 
Fig. 62. 5 arenosum, below ; $. 
Fig. 63. " pe above ; $. 
lig. 64. ui is arm-joints ; 5. 
CAMBRIDGE, December 14, 1878. 
